ethernet: fix up ps3_gelic_net.c for "ethernet: use eth_hw_addr_set()"

Another case needing a u8 * cast.

Fixes: a96d317f ("ethernet: use eth_hw_addr_set()")
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/r/20211006122315.4e04fb87@canb.auug.org.auSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/toshiba/ps3_gelic_net.c

@@ -1477,7 +1477,7 @@ int gelic_net_setup_netdev(struct net_device *netdev, struct gelic_card *card)
 			 __func__, status);
 		return -EINVAL;
 	}
-	eth_hw_addr_set(netdev, &v1);
+	eth_hw_addr_set(netdev, (u8 *)&v1);
 
 	if (card->vlan_required) {
 		netdev->hard_header_len += VLAN_HLEN;