atl1c: remove PHY reset/init for link down event

it's unnecessary to reset/init phy when link down.
Only L1/L2 chip (supported by atlx) need such action.
Signed-off-by: Nxiong <xiong@qca.qualcomm.com>
Tested-by: NLiu David <dwliu@qca.qualcomm.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/atheros/atl1c/atl1c_main.c

@@ -270,8 +270,6 @@ static void atl1c_check_link_status(struct atl1c_adapter *adapter)
 		atl1c_set_aspm(hw, SPEED_0);
 		netif_carrier_off(netdev);
 		netif_stop_queue(netdev);
-		atl1c_phy_reset(hw);
-		atl1c_phy_init(&adapter->hw);
 	} else {
 		/* Link Up */
 		hw->hibernate = false;