msm-camera: Compat changes for camera file

Compat related changes for camera file. If an ioctl
which is not defined within the set of predefined ioctls
for this file, they are now being handled by a return
value of ENOIOCTLCMD.

Change-Id: Ic1fd9e8b3c0409203a8bf6c2ecc14243311cf697
Signed-off-by: Katta Santhisindhu <kattas@codeaurora.org>