[media] v4l: vsp1: Add LUT support

The Look-Up Table looks up values in 8-bit indexed tables separately for
each color component.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/platform/vsp1/vsp1.h

@@ -30,6 +30,7 @@ struct device;
 struct vsp1_platform_data;
 struct vsp1_hsit;
 struct vsp1_lif;
+struct vsp1_lut;
 struct vsp1_rwpf;
 struct vsp1_sru;
 struct vsp1_uds;
@@ -52,6 +53,7 @@ struct vsp1_device {
 	struct vsp1_hsit *hsi;
 	struct vsp1_hsit *hst;
 	struct vsp1_lif *lif;
+	struct vsp1_lut *lut;
 	struct vsp1_rwpf *rpf[VPS1_MAX_RPF];
 	struct vsp1_sru *sru;
 	struct vsp1_uds *uds[VPS1_MAX_UDS];