wifi: mt76: mt7996: fix non-main BSS no beacon issue for MBSS scenario

Do not add UNI_BSS_INFO_11V_MBSSID tag when bssid_indicator is not set
to avoid abnormal beaconing behavior in non-11v MBSS scenario.
Signed-off-by: Henry Yen <henry.yen@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7996/mcu.c

@@ -819,11 +819,14 @@ mt7996_mcu_bss_mbssid_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
 	struct bss_info_uni_mbssid *mbssid;
 	struct tlv *tlv;
 
+	if (!vif->bss_conf.bssid_indicator)
+		return;
+
 	tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_11V_MBSSID, sizeof(*mbssid));
 
 	mbssid = (struct bss_info_uni_mbssid *)tlv;
 
-	if (enable && vif->bss_conf.bssid_indicator) {
+	if (enable) {
 		mbssid->max_indicator = vif->bss_conf.bssid_indicator;
 		mbssid->mbss_idx = vif->bss_conf.bssid_index;
 		mbssid->tx_bss_omac_idx = 0;