msm: cpp: Add VBIF settings for CPP on msm8996

Set the vbif register values on cpp hardware intialization.
The register offsets and values are read from camera device tree.

Change-Id: I8496c9476541cc192b9bfac990b56fe8d0dd3e12
Signed-off-by: Krishnankutty Kolathappilly <kkolatha@codeaurora.org>