[undi] Use current (rather than permanent) link-layer address

Requested-by: Savitha Hiriyannaia <Savitha.Hiriyannaiah@emulex.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/arch/i386/drivers/net/undinet.c

 				     &undi_info, sizeof ( undi_info ) ) ) != 0 )
 		goto err_undi_get_information;
 	memcpy ( netdev->hw_addr, undi_info.PermNodeAddress, ETH_ALEN );
+	memcpy ( netdev->ll_addr, undi_info.CurrentNodeAddress, ETH_ALEN );
 	undinic->irq = undi_info.IntNumber;
 	if ( undinic->irq > IRQ_MAX ) {
 		DBGC ( undinic, "UNDINIC %p has invalid IRQ %d\n",