media: videodev2.h.rst.exceptions: add V4L2_DV_FL_CAN_DETECT_REDUCED_FPS

This fixes a documentation warning:

Documentation/output/videodev2.h.rst:6: WARNING: undefined label: v4l2-dv-fl-can-detect-reduced-fps (if the link has no caption the label must precede a section header)
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

Documentation/media/videodev2.h.rst.exceptions

@@ -278,6 +278,7 @@ replace define V4L2_DV_BT_STD_SDI dv-bt-standards
 
 replace define V4L2_DV_FL_REDUCED_BLANKING dv-bt-standards
 replace define V4L2_DV_FL_CAN_REDUCE_FPS dv-bt-standards
+replace define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS dv-bt-standards
 replace define V4L2_DV_FL_REDUCED_FPS dv-bt-standards
 replace define V4L2_DV_FL_HALF_LINE dv-bt-standards
 replace define V4L2_DV_FL_IS_CE_VIDEO dv-bt-standards