mt76: set IEEE80211_HW_NEEDS_UNIQUE_STA_ADDR flag

The hardware does not deal with multiple WCID entries for the same station
properly. Set IEEE80211_HW_NEEDS_UNIQUE_STA_ADDR to avoid those cases
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mac80211.c

@@ -328,6 +328,7 @@ int mt76_register_device(struct mt76_dev *dev, bool vht,
 	ieee80211_hw_set(hw, MFP_CAPABLE);
 	ieee80211_hw_set(hw, AP_LINK_PS);
 	ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
+	ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
 
 	wiphy->flags |= WIPHY_FLAG_IBSS_RSN;