mt9m114: removing compiler warnings from mt9m114

mt9m114: removing compiler warnings from mt9m114

BZ:26628

Removing compiler warnings from mt9m114

Change-Id: Ib4fdcabc7b49fa096a07781aa8995f3db970d0af
Signed-off-by: Antti Laakso <antti.laakso@intel.com>
Reviewed-on: http://android.intel.com:8080/39995
Reviewed-by: Koski, Anttu <anttu.koski@intel.com>
Tested-by: Koski, Anttu <anttu.koski@intel.com>
Reviewed-by: Shevchenko, Andriy <andriy.shevchenko@intel.com>
Reviewed-by: Kruger, Jozef <jozef.kruger@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>