msm_fb: display: Add support to YCBYCR MDP format

Add support of MDP_YCBYCR_H2V1 interleaved YUV format to MDP
for a-family targets.

Change-Id: I2a5cc0dfb42d481e6fbe9d623feab459d5613bb1
Signed-off-by: Mayank Chopra <makchopra@codeaurora.org>