mac80211: make cfg80211 ops and privid const

The wiphy privid (to identify wiphys) and the cfg80211
ops should both be const, so change them to be.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index d2125a3..cf27c62 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3918,7 +3918,7 @@
 	return 0;
 }
 
-struct cfg80211_ops mac80211_config_ops = {
+const struct cfg80211_ops mac80211_config_ops = {
 	.add_virtual_intf = ieee80211_add_iface,
 	.del_virtual_intf = ieee80211_del_iface,
 	.change_virtual_intf = ieee80211_change_iface,