msm: vidc: Set DPB color format in driver

In case of split mode driver should take care of setting
DPB color format always. This format setting is dependent
on bit depth, either UBWC or TP10.

CRs-Fixed: 2170314
Change-Id: I884521fcc032c72004aa5c2c02bbd23f29eedcac
Signed-off-by: Vaibhav Deshu Venkatesh <vdeshuve@codeaurora.org>