configure: Revert commit 5176e9651bda5182df008a1226e2484fdd809985

This fixes cpunop detection and unbreaks NASM assembly

Signed-off-by: Dave Yeo <daveryeo@telus.net>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avutil/pixdesc: set bayer pixfmt descriptor flags

Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/rawdec: for 16-bit pix fmts, shift pixels when bits_per_coded_sample < 16

Signed-off-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libswscale: bayer to rgb24 & yv12 colorspace converters

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avdevice/v4l2: add V4L2_PIX_FMT_SRGGB8
Add more Bayer colour spaces to the video4linux2 device wrapper.