msm: vidc: Add fix to update capture port buffer size

If the resolution changed and no port reconfig, the
V4L2 framework and driver have different capture port
buffer sizes. Due to this mismatch the buffer is rejected
by V4L2 framework.Add fix to update the buffer size.

Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>
Change-Id: Ib2ed5684aa10d13a614a3e213afb449d1c3dee8c