msm: vidc: Update resolution change when OPB DPB is split

Currently the driver skips resolution update information
from firmware if OPB and DPB buffers are split. This results
in incorrect frame dimensions being updated to userspace.
This change fixes the issue.

Change-Id: I81cf267d22d62cced48179593de8deba44127021
Signed-off-by: Arun Menon <avmenon@codeaurora.org>