e1000e: add support for 82574 device ID 0x10F6

Add device ID for a new variant of the 82574 adapter.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Acked-by: John Ronciak <john.ronciak@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/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 11a2f20..d8b8229 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -339,6 +339,7 @@
 #define E1000_DEV_ID_82573E_IAMT		0x108C
 #define E1000_DEV_ID_82573L			0x109A
 #define E1000_DEV_ID_82574L			0x10D3
+#define E1000_DEV_ID_82574LA			0x10F6
 #define E1000_DEV_ID_82583V                     0x150C
 
 #define E1000_DEV_ID_80003ES2LAN_COPPER_DPT	0x1096