amd: declance: use eth_hw_addr_set()

Copy scattered mac address octets into an array then eth_hw_addr_set().

Fixes: adeef3e3 ("net: constify netdev->dev_addr")
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Link: https://lore.kernel.org/r/20220125144007.64407-1-tsbogend@alpha.franken.deSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/amd/declance.c

@@ -1032,6 +1032,7 @@ static int dec_lance_probe(struct device *bdev, const int type)
 	int i, ret;
 	unsigned long esar_base;
 	unsigned char *esar;
+	u8 addr[ETH_ALEN];
 	const char *desc;
 
 	if (dec_lance_debug && version_printed++ == 0)
@@ -1228,7 +1229,8 @@ static int dec_lance_probe(struct device *bdev, const int type)
 		break;
 	}
 	for (i = 0; i < 6; i++)
-		dev->dev_addr[i] = esar[i * 4];
+		addr[i] = esar[i * 4];
+	eth_hw_addr_set(dev, addr);
 
 	printk("%s: %s, addr = %pM, irq = %d\n",
 	       name, desc, dev->dev_addr, dev->irq);