mt76: mt7915: fix possible infinite loop release semaphore

Fix possible infinite loop in mt7915_load_patch if
mt7915_mcu_patch_sem_ctrl always returns an error.

Fixes: e57b7901 ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7915/mcu.c

@@ -2668,7 +2668,7 @@ static int mt7915_load_patch(struct mt7915_dev *dev)
 	default:
 		ret = -EAGAIN;
 		dev_err(dev->mt76.dev, "Failed to release patch semaphore\n");
-		goto out;
+		break;
 	}
 	release_firmware(fw);