ov8830: add driver skeleton and platform data

ov8830: add driver skeleton and platform data

BZ: 16972

A driver is created by copying it from mt9e013 driver. In this
patch it is not yet functional, only the labels have been renamed.

Change-Id: I8de8f32fd795eefd19dcb15a2beb21ab1ee64e7f
Signed-off-by: Tuukka Toivonen <tuukka.toivonen@intel.com>
Reviewed-on: http://android.intel.com:8080/32612
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>