mt76: mt7615: remove useless if condition in mt7615_add_interface()

Get rid of unnecessary if condition in mt7615_add_interface routine
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -240,8 +240,6 @@ static int mt7615_add_interface(struct ieee80211_hw *hw,
 	}
 
 	ret = mt7615_mcu_add_dev_info(phy, vif, true);
-	if (ret)
-		goto out;
 out:
 	mt7615_mutex_release(dev);