igb: add support for 82576 quad copper adapter

Add support for 82576 copper adapter and necessary code to restrict wol for
quad port adapter to first port.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 4db3602..68aac20 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -40,6 +40,7 @@
 #define E1000_DEV_ID_82576                    0x10C9
 #define E1000_DEV_ID_82576_FIBER              0x10E6
 #define E1000_DEV_ID_82576_SERDES             0x10E7
+#define E1000_DEV_ID_82576_QUAD_COPPER        0x10E8
 #define E1000_DEV_ID_82576_NS                 0x150A
 #define E1000_DEV_ID_82575EB_COPPER           0x10A7
 #define E1000_DEV_ID_82575EB_FIBER_SERDES     0x10A9