msm: camera: Fix for camera crash

while getting interface handle there is no check to
verify frame_info. Update camera driver to check
frame_info before accessing this to avoid crash
in camera.

Change-Id: Ia2eabe411466da218e3c3de1c79b6a0fd26cb3ce
Signed-off-by: Suresh Vankadara <svankada@codeaurora.org>