v4l2codecs: Align v4l2-controls header with kernel 5.15-rc3
requested to merge benjamin.gaignard1/gstreamer:v4l2codecs_align_v4l2-controls_header_with_kernel_5.15-rc3 into main
Update v4l2-controls to be aligned with kernel 5.15-rc3. Fix VP8 decoder to use the correct field name.