sde: Add support for UBWC in display engine

SDE checks for PRIV_FLAGS_UBWC_ALIGNED bit in private handle flags
and sets the corresponding UBWC aligned LayerBufferFormat. Driver
expects UBWC specific pixel formats defined by MDP header.

Change-Id: Iaf86c4d7433dc9628b1cf8d7fb8872ab4f1f0a39
4 files changed