net/mlxbf_gige: use eth_zero_addr() to clear mac address

Use eth_zero_addr() to clear mac address instead of memset().
Signed-off-by: Lu Wei <luwei32@huawei.com>
Link: https://lore.kernel.org/r/20220516033343.329178-1-luwei32@huawei.comSigned-off-by: Paolo Abeni <pabeni@redhat.com>

drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c

@@ -69,7 +69,7 @@ static void mlxbf_gige_initial_mac(struct mlxbf_gige *priv)
 	u8 mac[ETH_ALEN];
 	u64 local_mac;
 
-	memset(mac, 0, ETH_ALEN);
+	eth_zero_addr(mac);
 	mlxbf_gige_get_mac_rx_filter(priv, MLXBF_GIGE_LOCAL_MAC_FILTER_IDX,
 				     &local_mac);
 	u64_to_ether_addr(local_mac, mac);