media: omap3isp: make omap3isp_prev_csc and omap3isp_prev_rgbtorgb const

Make these const as they are only used as a copy operation.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/omap3isp/isppreview.c

@@ -25,7 +25,7 @@
 #include "isppreview.h"
 
 /* Default values in Office Fluorescent Light for RGBtoRGB Blending */
-static struct omap3isp_prev_rgbtorgb flr_rgb2rgb = {
+static const struct omap3isp_prev_rgbtorgb flr_rgb2rgb = {
 	{	/* RGB-RGB Matrix */
 		{0x01E2, 0x0F30, 0x0FEE},
 		{0x0F9B, 0x01AC, 0x0FB9},
@@ -35,7 +35,7 @@ static struct omap3isp_prev_rgbtorgb flr_rgb2rgb = {
 };
 
 /* Default values in Office Fluorescent Light for RGB to YUV Conversion*/
-static struct omap3isp_prev_csc flr_prev_csc = {
+static const struct omap3isp_prev_csc flr_prev_csc = {
 	{	/* CSC Coef Matrix */
 		{66, 129, 25},
 		{-38, -75, 112},