mt76: mt76u: rely on mt7622 queue scheme for mt7663u

Rely on the mt7622 endpoint definitions for mt7663u
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -1009,8 +1009,19 @@ static void mt76u_tx_kick(struct mt76_dev *dev, struct mt76_queue *q)
 
 static u8 mt76u_ac_to_hwq(struct mt76_dev *dev, u8 ac)
 {
-	if (mt76_chip(dev) == 0x7663)
-		return ac ^ 0x3;
+	if (mt76_chip(dev) == 0x7663) {
+		static const u8 wmm_queue_map[] = {
+			[IEEE80211_AC_VO] = 0,
+			[IEEE80211_AC_VI] = 1,
+			[IEEE80211_AC_BE] = 2,
+			[IEEE80211_AC_BK] = 4,
+		};
+
+		if (WARN_ON(ac >= ARRAY_SIZE(wmm_queue_map)))
+			return 2; /* BE */
+
+		return wmm_queue_map[ac];
+	}
 
 	return mt76_ac_to_hwq(ac);
 }