Add a v4l2 sub-device driver for the OmniVision ov08d10 image sensor.
This camera sensor is using the i2c bus for control and the
csi-2 bus for data.

The following features are supported:
- manual exposure and analog/digital gain control
- vblank/hblank control
- test pattern
- image vertical flip and horizontal mirror control
- supported resolution:
	- 3280x2460 at 30 FPS
	- 3264x2448 at 30 FPS
	- 1632x1224 at 30 FPS
- supported bayer order output:
	- SGRBG10 as default
	- SBGGR10 at flip mode
	- SRGGB10 at mirror mode
	- SGBRG10 at flip + mirror mode
Signed-off-by: Jimmy Su <jimmy.su@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>