Documentation: Add DT bindings for camera modules

Bring over DT bindings for MSM camera modules as of msm-4.9
commit ccfbd11d9 (Revert "msm: camera: icp: Freeing memory in workqueue").
Additionally update the document format for the CSIPHY and CCI modules.

Change-Id: Ife064e298a821dc39e9cfe1a9cb8a62fc001168a
Signed-off-by: Jigarkumar Zala <jzala@codeaurora.org>