arcnet: com20020: remove needless base_addr assignment

The assignment is superfluous.

Signed-off-by: Michael Grzeschik <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/arcnet/com20020.c

···
 		return -ENODEV;
 	}
 
-	dev->base_addr = ioaddr;
-
 	arc_printk(D_NORMAL, dev, "%s: station %02Xh found at %03lXh, IRQ %d.\n",
 		   lp->card_name, dev->dev_addr[0], dev->base_addr, dev->irq);