drivers/net/atl1c: Remove double test

The nic_type field is compared to athr_l2c twice.

The sematic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@expression@
expression E;
@@

(
* E
  || ... || E
|
* E
  && ... && E
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/atl1c/atl1c_hw.c b/drivers/net/atl1c/atl1c_hw.c
index d8501f0..919080b 100644
--- a/drivers/net/atl1c/atl1c_hw.c
+++ b/drivers/net/atl1c/atl1c_hw.c
@@ -480,7 +480,7 @@
 		atl1c_write_phy_reg(hw, MII_DBG_DATA, 0x929D);
 	}
 	if (hw->nic_type == athr_l1c || hw->nic_type == athr_l2c_b2
-		|| hw->nic_type == athr_l2c || hw->nic_type == athr_l2c) {
+		|| hw->nic_type == athr_l2c) {
 		atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x29);
 		atl1c_write_phy_reg(hw, MII_DBG_DATA, 0xB6DD);
 	}