msm: camera: vfe: Update BUS width and stride configuration

Version 480 hardware expects write client width in pixels
and stride in bytes. This change adds the required updates
in the bus driver.

Change-Id: I711afcea590e184106b2d7ca5a3453980425d7e1
Signed-off-by: Venkat Chinta <vchinta@codeaurora.org>