net: caif: get ready for const netdev->dev_addr

Get it ready for constant netdev->dev_addr.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/caif/caif_usb.c

@@ -81,7 +81,7 @@ static void cfusbl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
 		layr->up->ctrlcmd(layr->up, ctrl, layr->id);
 }
 
-static struct cflayer *cfusbl_create(int phyid, u8 ethaddr[ETH_ALEN],
+static struct cflayer *cfusbl_create(int phyid, const u8 ethaddr[ETH_ALEN],
 				      u8 braddr[ETH_ALEN])
 {
 	struct cfusbl *this = kmalloc(sizeof(struct cfusbl), GFP_ATOMIC);