Give UNDI device a more meaningful name.

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

 
 	/* Add to device hierarchy */
 	snprintf ( undi->dev.name, sizeof ( undi->dev.name ),
-		   "UNDI%04x:%04x", undi->entry.segment, undi->entry.offset );
+		   "UNDI-%s", pci->dev.name );
 	undi->dev.parent = &pci->dev;
 	INIT_LIST_HEAD ( &undi->dev.children );
 	list_add ( &undi->dev.siblings, &pci->dev.children );