video: constify geode ops structures

These geode ops structures are never modified, so declare them as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/fbdev/geode/video_cs5530.c b/drivers/video/fbdev/geode/video_cs5530.c
index 649c394..8806132 100644
--- a/drivers/video/fbdev/geode/video_cs5530.c
+++ b/drivers/video/fbdev/geode/video_cs5530.c
@@ -186,7 +186,7 @@
 	return 0;
 }
 
-struct geode_vid_ops cs5530_vid_ops = {
+const struct geode_vid_ops cs5530_vid_ops = {
 	.set_dclk          = cs5530_set_dclk_frequency,
 	.configure_display = cs5530_configure_display,
 	.blank_display     = cs5530_blank_display,