mt9m114: temporary: add device registration

mt9m114: temporary: add device registration

BZ: 20596

Device firmware SFI table does not yet define mt9m114 device.
Add the driver by explicitly registering it in the kernel platform code.

This patch is temporary. It should be reverted when SFI contains
the device.

Change-Id: I20b324db79eed56936651d5cf1d479ea36ed4ae4
Signed-off-by: Tuukka Toivonen <tuukka.toivonen@intel.com>
Reviewed-on: http://android.intel.com:8080/32618
Reviewed-by: Koski, Anttu <anttu.koski@intel.com>
Tested-by: Koski, Anttu <anttu.koski@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>