media: i2c: ds90ub960: Add RGB24, RAW8 and RAW10 formats

Add RGB24 and RAW8 and RAW10 bayer formats. RGB24 is mostly for TPG
purposes, but RAW8 and RAW10 are widely used by sensors.

Reviewed-by: Jai Luthra <jai.luthra@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>