mt76: mt7921: reduce log severity levels for informative messages

"ASIC revision" and "Firmware init done" shouldn't be error messages.
Reduces the severity levels.
Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7921/mcu.c

@@ -880,7 +880,7 @@ static int mt7921_load_firmware(struct mt7921_dev *dev)
 	dev->mt76.hw->wiphy->wowlan = &mt76_connac_wowlan_support;
 #endif /* CONFIG_PM */
 
-	dev_err(dev->mt76.dev, "Firmware init done\n");
+	dev_dbg(dev->mt76.dev, "Firmware init done\n");
 
 	return 0;
 }

drivers/net/wireless/mediatek/mt76/mt7921/pci.c

@@ -190,7 +190,7 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
 	tasklet_init(&dev->irq_tasklet, mt7921_irq_tasklet, (unsigned long)dev);
 	mdev->rev = (mt7921_l1_rr(dev, MT_HW_CHIPID) << 16) |
 		    (mt7921_l1_rr(dev, MT_HW_REV) & 0xff);
-	dev_err(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
+	dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
 
 	mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0);