msm: mdss: add color format for venus core

Venus output format expects luma and chroma components to be aligned to
32 bytes, add new color format to support this type of input.

Change-Id: I1fc9a61a0c8cfa8244460105fdab02d019d31556
Signed-off-by: Adrian Salido-Moreno <adrianm@codeaurora.org>