[PATCH] e1000: Fixed the loopback test failure for 82573 based adapters

Fixed the loopback test failure for 82573 based adapters
Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>

drivers/net/e1000/e1000_ethtool.c

@@ -1234,6 +1234,7 @@ e1000_set_phy_loopback(struct e1000_adapter *adapter)
 	case e1000_82541_rev_2:
 	case e1000_82547:
 	case e1000_82547_rev_2:
+	case e1000_82573:
 		return e1000_integrated_phy_loopback(adapter);
 		break;