msm: camera: Add support for diverting RDI frames.

Add provision for RDI frames to be diverted to userspace. This may be
used if there is a need for some kind of processing to be done on the
sensor output.

Signed-off-by: Jeyaprakash Soundrapandian <jsoundra@codeaurora.org>

Conflicts:

	include/media/msm_camera.h

Change-Id: I069e9b9ca642e69fef4db0f31e6cc3138c5f2987
Signed-off-by: Praveen Ac <praveenac@codeaurora.org>

Conflicts:

	include/media/msm_camera.h

Signed-off-by: Praveen Ac <praveenac@codeaurora.org>