[media] vivid: use consistent colorspace/Y'CbCr Encoding strings

Keep the colorspace and encoding names consistent with what is
used elsewhere (primarily the utilities in v4l-utils.git).
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/vivid/vivid-ctrls.c

@@ -689,7 +689,7 @@ static const struct v4l2_ctrl_config vivid_ctrl_max_edid_blocks = {
 
 static const char * const vivid_ctrl_colorspace_strings[] = {
 	"SMPTE 170M",
-	"REC 709",
+	"Rec. 709",
 	"sRGB",
 	"AdobeRGB",
 	"BT.2020",
@@ -716,7 +716,7 @@ static const char * const vivid_ctrl_ycbcr_enc_strings[] = {
 	"xvYCC 601",
 	"xvYCC 709",
 	"sYCC",
-	"BT.2020 Non-Constant Luminance",
+	"BT.2020",
 	"BT.2020 Constant Luminance",
 	"SMPTE 240M",
 	NULL,