video: decon_7580: add color control for display

Signed-off-by: Luca Grifo <lg@linux.com>

Based on commit: https://github.com/Tkkg1994/SuperKernel/commit/dff4319d5eeb342453da9f987c6a41bcab1b41a2

Conflicts:
	drivers/video/exynos/decon_7580/panels/mdnie_lite.c