mac80211: suppress BSS info change notifications for AP_VLAN

Fixes warnings on tx power changes

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index b055f6a5..4172d42 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -199,7 +199,7 @@
 {
 	struct ieee80211_local *local = sdata->local;
 
-	if (!changed)
+	if (!changed || sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
 		return;
 
 	drv_bss_info_changed(local, sdata, &sdata->vif.bss_conf, changed);