[media] v4l: vsp1: Add Cubic Look Up Table (CLU) support

The CLU processing block is a 2D/3D lookup table that converts the input
three color component data into desired three color components using a
lookup table.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>