[media] Add driver for Samsung S5K5BAF camera sensor

Driver for Samsung S5K5BAF UXGA 1/5" 2M CMOS Image Sensor with
embedded SoC ISP. The device is exposed as two V4L2 subdevices:

 - S5K5BAF-CIS - the image sensor matrix, fixed 1600x1200 format,
   no controls.
 - S5K5BAF-ISP - the Image Signal Processor, formats up to 1600x1200,
   pre/post ISP cropping, downscaling via selection API, controls.

[m.chehab@samsung.com: Whitespace cleanups]
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>