msm: vidc: Add NV12_512 support for encoder

Add NV12_512 linear color format, aligned to 512, for encoder.

Change-Id: If9a9494e5a93ba1eec2140008644853e4af87c56
Signed-off-by: Amit Shekhar <ashekhar@codeaurora.org>
Signed-off-by: Sanjay Singh <sisanj@codeaurora.org>
4 files changed