video: fbdev: add const to bin_attribute structures

Add const to bin_attribute structures as they are only passed to the
functions sysfs_{remove/create}_bin_file or
device_{remove/create}_bin_file. The corresponding arguments are of
type const, so declare the structures to be const.

Signed-off-by: Bhumika Goyal <[e-mail]>
Cc: Julia Lawall <[e-mail]>
Cc: Bernie Thompson <[e-mail]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[e-mail]>

drivers/video/fbdev/aty/radeon_base.c

···
 	return radeon_show_one_edid(buf, off, count, rinfo->mon2_EDID);
 }
 
-static struct bin_attribute edid1_attr = {
+static const struct bin_attribute edid1_attr = {
 	.attr   = {
 		.name	= "edid1",
 		.mode	= 0444,
···
 	.read	= radeon_show_edid1,
 };
 
-static struct bin_attribute edid2_attr = {
+static const struct bin_attribute edid2_attr = {
 	.attr   = {
 		.name	= "edid2",
 		.mode	= 0444,

drivers/video/fbdev/udlfb.c

···
 	return count;
 }
 
-static struct bin_attribute edid_attr = {
+static const struct bin_attribute edid_attr = {
 	.attr.name = "edid",
 	.attr.mode = 0666,
 	.size = EDID_LENGTH,