mt76: mt7615: disable 5 GHz on MT7622

It is not supported by the chip, so avoid issues with potentially wrong
EEPROM configurations.
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c

@@ -112,6 +112,9 @@ static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
 		break;
 	}
 
+	if (is_mt7622(&dev->mt76))
+		dev->mt76.cap.has_5ghz = false;
+
 	/* read tx-rx mask from eeprom */
 	val = mt76_rr(dev, MT_TOP_STRAP_STA);
 	max_nss = val & MT_TOP_3NSS ? 3 : 4;