ref docuemnt:
  ov5647-datasheet-v1.00-2009
Signed-off-by: NJacob Chen <jacob-chen@iotwrt.com>
Reviewed-by: NLuis Oliveira <lolivei@synopsys.com>
Signed-off-by: NSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>