fbdev: i810: make fb_ops const

Make the structure const as it is only used during a copy operation.
Done using Coccinelle.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Cc: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

drivers/video/fbdev/i810/i810_main.c

@@ -1542,7 +1542,7 @@ static int i810fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 	return 0;
 }
 
-static struct fb_ops i810fb_ops = {
+static const struct fb_ops i810fb_ops = {
 	.owner =             THIS_MODULE,
 	.fb_open =           i810fb_open,
 	.fb_release =        i810fb_release,