msm: camera: Add support to V4L2 architecture

New targets are following V4L2 architecture for
camera. Update 7x27a camera drivers to support
new V4L2 architecture to unify all camera drivers
in the same architecture.

Signed-off-by: Suresh Vankadara <svankada@codeaurora.org>
Change-Id: Ie23ac982375041c06b68537d5784d8cdbbc9bf04
27 files changed