[media] v4l: vsp1: Add support for capture and output in HSV formats

Support both the HSV24 and HSV32 formats. From a hardware point of view
pretend the formats are RGB, the RPF and WPF will just pass the data
through without performing any processing.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>