[media] DocBook media: fix section IDs

The colorspace section IDs were assigned to the title instead of to the
section. Some links failed because of that.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

Documentation/DocBook/media/v4l/pixfmt.xml

@@ -621,8 +621,8 @@ is mapped to [16…235]. Cb and Cr are mapped from [-0.5…0.5] to [16
 
   <section>
     <title>Detailed Colorspace Descriptions</title>
-    <section>
-      <title id="col-smpte-170m">Colorspace SMPTE 170M (<constant>V4L2_COLORSPACE_SMPTE170M</constant>)</title>
+    <section id="col-smpte-170m">
+      <title>Colorspace SMPTE 170M (<constant>V4L2_COLORSPACE_SMPTE170M</constant>)</title>
       <para>The <xref linkend="smpte170m" /> standard defines the colorspace used by NTSC and PAL and by SDTV
 in general. The default Y'CbCr encoding is <constant>V4L2_YCBCR_ENC_601</constant>.
 The default Y'CbCr quantization is limited range. The chromaticities of the primary colors and
@@ -704,8 +704,8 @@ though BT.601 does not mention any color primaries.</para>
 rarely seen.</para>
     </section>
 
-    <section>
-      <title id="col-rec709">Colorspace Rec. 709 (<constant>V4L2_COLORSPACE_REC709</constant>)</title>
+    <section id="col-rec709">
+      <title>Colorspace Rec. 709 (<constant>V4L2_COLORSPACE_REC709</constant>)</title>
       <para>The <xref linkend="itu709" /> standard defines the colorspace used by HDTV in general. The default
 Y'CbCr encoding is <constant>V4L2_YCBCR_ENC_709</constant>. The default Y'CbCr quantization is
 limited range. The chromaticities of the primary colors and the white reference are:</para>
@@ -815,8 +815,8 @@ selecting <constant>V4L2_YCBCR_ENC_XV709</constant> or <constant>V4L2_YCBCR_ENC_
 The xvYCC encodings always use full range quantization.</para>
     </section>
 
-    <section>
-      <title id="col-srgb">Colorspace sRGB (<constant>V4L2_COLORSPACE_SRGB</constant>)</title>
+    <section id="col-srgb">
+      <title>Colorspace sRGB (<constant>V4L2_COLORSPACE_SRGB</constant>)</title>
       <para>The <xref linkend="srgb" /> standard defines the colorspace used by most webcams and computer graphics. The
 default Y'CbCr encoding is <constant>V4L2_YCBCR_ENC_SYCC</constant>. The default Y'CbCr quantization
 is full range. The chromaticities of the primary colors and the white reference are:</para>
@@ -892,8 +892,8 @@ encoding, it is not. The <constant>V4L2_YCBCR_ENC_XV601</constant> scales and of
 values before quantization, but this encoding does not do that.</para>
     </section>
 
-    <section>
-      <title id="col-adobergb">Colorspace Adobe RGB (<constant>V4L2_COLORSPACE_ADOBERGB</constant>)</title>
+    <section id="col-adobergb">
+      <title>Colorspace Adobe RGB (<constant>V4L2_COLORSPACE_ADOBERGB</constant>)</title>
       <para>The <xref linkend="adobergb" /> standard defines the colorspace used by computer graphics
 that use the AdobeRGB colorspace. This is also known as the <xref linkend="oprgb" /> standard.
 The default Y'CbCr encoding is <constant>V4L2_YCBCR_ENC_601</constant>. The default Y'CbCr
@@ -964,8 +964,8 @@ clamped to the range [-0.5&hellip;0.5]. This transform is identical to one defin
 SMPTE 170M/BT.601. The Y'CbCr quantization is limited range.</para>
     </section>
 
-    <section>
-      <title id="col-bt2020">Colorspace BT.2020 (<constant>V4L2_COLORSPACE_BT2020</constant>)</title>
+    <section id="col-bt2020">
+      <title>Colorspace BT.2020 (<constant>V4L2_COLORSPACE_BT2020</constant>)</title>
       <para>The <xref linkend="itu2020" /> standard defines the colorspace used by Ultra-high definition
 television (UHDTV). The default Y'CbCr encoding is <constant>V4L2_YCBCR_ENC_BT2020</constant>.
 The default R'G'B' quantization is limited range (!), and so is the default Y'CbCr quantization.
@@ -1080,8 +1080,8 @@ clamped to the range [-0.5&hellip;0.5]. The Y'CbCr quantization is limited range
 clamped to the range [-0.5&hellip;0.5]. The Yc'CbcCrc quantization is limited range.</para>
     </section>
 
-    <section>
-      <title id="col-smpte-240m">Colorspace SMPTE 240M (<constant>V4L2_COLORSPACE_SMPTE240M</constant>)</title>
+    <section id="col-smpte-240m">
+      <title>Colorspace SMPTE 240M (<constant>V4L2_COLORSPACE_SMPTE240M</constant>)</title>
       <para>The <xref linkend="smpte240m" /> standard was an interim standard used during the early days of HDTV (1988-1998).
 It has been superseded by Rec. 709. The default Y'CbCr encoding is <constant>V4L2_YCBCR_ENC_SMPTE240M</constant>.
 The default Y'CbCr quantization is limited range. The chromaticities of the primary colors and the
@@ -1153,8 +1153,8 @@ following <constant>V4L2_YCBCR_ENC_SMPTE240M</constant> encoding:</term>
 clamped to the range [-0.5&hellip;0.5]. The Y'CbCr quantization is limited range.</para>
     </section>
 
-    <section>
-      <title id="col-sysm">Colorspace NTSC 1953 (<constant>V4L2_COLORSPACE_470_SYSTEM_M</constant>)</title>
+    <section id="col-sysm">
+      <title>Colorspace NTSC 1953 (<constant>V4L2_COLORSPACE_470_SYSTEM_M</constant>)</title>
       <para>This standard defines the colorspace used by NTSC in 1953. In practice this
 colorspace is obsolete and SMPTE 170M should be used instead. The default Y'CbCr encoding
 is <constant>V4L2_YCBCR_ENC_601</constant>. The default Y'CbCr quantization is limited range.
@@ -1231,8 +1231,8 @@ clamped to the range [-0.5&hellip;0.5]. The Y'CbCr quantization is limited range
 This transform is identical to one defined in SMPTE 170M/BT.601.</para>
     </section>
 
-    <section>
-      <title id="col-sysbg">Colorspace EBU Tech. 3213 (<constant>V4L2_COLORSPACE_470_SYSTEM_BG</constant>)</title>
+    <section id="col-sysbg">
+      <title>Colorspace EBU Tech. 3213 (<constant>V4L2_COLORSPACE_470_SYSTEM_BG</constant>)</title>
       <para>The <xref linkend="tech3213" /> standard defines the colorspace used by PAL/SECAM in 1975. In practice this
 colorspace is obsolete and SMPTE 170M should be used instead. The default Y'CbCr encoding
 is <constant>V4L2_YCBCR_ENC_601</constant>. The default Y'CbCr quantization is limited range.
@@ -1305,8 +1305,8 @@ clamped to the range [-0.5&hellip;0.5]. The Y'CbCr quantization is limited range
 This transform is identical to one defined in SMPTE 170M/BT.601.</para>
     </section>
 
-    <section>
-      <title id="col-jpeg">Colorspace JPEG (<constant>V4L2_COLORSPACE_JPEG</constant>)</title>
+    <section id="col-jpeg">
+      <title>Colorspace JPEG (<constant>V4L2_COLORSPACE_JPEG</constant>)</title>
       <para>This colorspace defines the colorspace used by most (Motion-)JPEG formats. The chromaticities
 of the primary colors and the white reference are identical to sRGB. The Y'CbCr encoding is
 <constant>V4L2_YCBCR_ENC_601</constant> with full range quantization where