Dongwoon DW9714 is a voice coil lens driver.

Also add a vendor prefix for Dongwoon for one did not exist previously.
Signed-off-by: NSakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>