msm: mdss: store UBWC plane info in UBWC buffer format

Store UBWC plane information in UBWC buffer format
instead of MDP buffer format. This cleans up logic
for input data check and simplifies the MDP plane
configuration.

Change-Id: I0a72238d0110fe88aec394f8f6248ba46fab92b7
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>