video: ARM CLCD: constify amba_id

amba_id are not supposed to change at runtime. All functions
working with const amba_id. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

drivers/video/fbdev/amba-clcd.c

@@ -1035,7 +1035,7 @@ static struct clcd_vendor_data vendor_nomadik = {
 	.init_panel = nomadik_clcd_init_panel,
 };
 
-static struct amba_id clcdfb_id_table[] = {
+static const struct amba_id clcdfb_id_table[] = {
 	{
 		.id	= 0x00041110,
 		.mask	= 0x000ffffe,