[media] s5p-fimc: Fix control creation function

Fixed the size of the V4L2_CID_COLORFX control cluster.
Prior to this fix V4L2_CID_ROTATE was also icluded in
the cluster preventing application from enabling rotation.

Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/s5p-fimc/fimc-core.c

@@ -615,7 +615,7 @@ int fimc_ctrls_create(struct fimc_ctx *ctx)
 	ctx->effect.type = FIMC_REG_CIIMGEFF_FIN_BYPASS;
 
 	if (!handler->error) {
-		v4l2_ctrl_cluster(3, &ctrls->colorfx);
+		v4l2_ctrl_cluster(2, &ctrls->colorfx);
 		ctrls->ready = true;
 	}