V4L/DVB (4673): Mark the two newer ioctls as experimental

VIDIOC_ENUM_FRAMESIZES and VIDIOC_ENUM_FRAMEINTERVALS ioctls are meant
to be used to provide better support for webcams. Currently, it is not yet
used on kernel drivers.
Better to keep it marked as experimental, until we have several kernel drivers
supporting those features.
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

include/linux/videodev2.h

@@ -276,6 +276,8 @@ struct v4l2_fmtdesc
 
 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
 
+#if 1
+	/* Experimental Frame Size and frame rate enumeration */
 /*
  *	F R A M E   S I Z E   E N U M E R A T I O N
  */
@@ -348,6 +350,7 @@ struct v4l2_frmivalenum
 
 	__u32	reserved[2];			/* Reserved space for future use */
 };
+#endif
 
 /*
  *	T I M E C O D E
@@ -1322,8 +1325,10 @@ struct v4l2_streamparm
 #define VIDIOC_G_EXT_CTRLS	_IOWR ('V', 71, struct v4l2_ext_controls)
 #define VIDIOC_S_EXT_CTRLS	_IOWR ('V', 72, struct v4l2_ext_controls)
 #define VIDIOC_TRY_EXT_CTRLS	_IOWR ('V', 73, struct v4l2_ext_controls)
+#if 1
 #define VIDIOC_ENUM_FRAMESIZES	_IOWR ('V', 74, struct v4l2_frmsizeenum)
 #define VIDIOC_ENUM_FRAMEINTERVALS	_IOWR ('V', 75, struct v4l2_frmivalenum)
+#endif
 
 #ifdef __OLD_VIDIOC_
 /* for compatibility, will go away some day */