drm/msm/sde: fix color component order for UBWC formats

For UBWC formats color component order should
be independent of endianness.

Fix the component order for UBWC formats based
on above requirement for SDE driver.

Change-Id: I054049105d3af99c5496328819ffef7d0eb9610a
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>