[netdrvr via-rhine] Fix MII phy scanning

Noticed by Roger Luethi, via-rhine maintainer.

drivers/net/via-rhine.c

@@ -847,6 +847,8 @@ static int __devinit via_rhine_init_one (struct pci_dev *pdev,
 					netif_carrier_on(dev);
 				else
 					netif_carrier_off(dev);
+
+				break;
 			}
 		}
 		np->mii_cnt = phy_idx;