wifi: mt76: mt7996: Fix valid_links bitmask in mt7996_mac_sta_{add,remove}

sta->valid_links bitmask can be set even for non-MLO client.

Fixes: dd82a9e ("wifi: mt76: mt7996: Rely on mt7996_sta_link in sta_add/sta_remove callbacks")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250704-mt7996-mlo-fixes-v1-7-356456c73f43@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>

Author: LorenzoBianconi

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

@@ -1061,7 +1061,7 @@ mt7996_mac_sta_add(struct mt76_phy *mphy, struct ieee80211_vif *vif,
 	struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
 	struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
 	struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
-	unsigned long links = sta->mlo ? sta->valid_links : BIT(0);
+	unsigned long links = sta->valid_links ? sta->valid_links : BIT(0);
 	int err;
 
 	mutex_lock(&mdev->mutex);
@@ -1155,7 +1155,7 @@ mt7996_mac_sta_remove(struct mt76_phy *mphy, struct ieee80211_vif *vif,
 {
 	struct mt76_dev *mdev = mphy->dev;
 	struct mt7996_dev *dev = container_of(mdev, struct mt7996_dev, mt76);
-	unsigned long links = sta->mlo ? sta->valid_links : BIT(0);
+	unsigned long links = sta->valid_links ? sta->valid_links : BIT(0);
 
 	mutex_lock(&mdev->mutex);