msm: camera: ife: Add support for camera v680 bus

This change adds support for Waipio bus hardware. It also
changes the bus private structure to be pointer based so
that most of the information is filled from hardware
specific headers.

CRs-Fixed: 2794540
Change-Id: Ie9d30442246a896f372512b62bd54be32c4921ad
Signed-off-by: Venkat Chinta <vchinta@codeaurora.org>
Signed-off-by: Mukund Madhusudan Atre <matre@codeaurora.org>