msm: camera: ispif: Add support for compat ioctls

Add support in the ispif driver so that 32bit binaries can make
ioctl calls into the ispif driver in addition to 64bit binaries.

Change-Id: I97f9deb645b601571e70ff095597a535c67bfcd4
Signed-off-by: Seemanta Dutta <seemanta@codeaurora.org>