gallium: add back YVU support
PIPE_FORMAT_YV12 is not handled so switching to PIPE_FORMAT_IYUV and adding back YVU support.
Signed-off-by: James Xiong james.xiong@intel.com
Edited by James Xiong
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PIPE_FORMAT_YV12 is not handled so switching to PIPE_FORMAT_IYUV and adding back YVU support.
Signed-off-by: James Xiong james.xiong@intel.com