ixgbe: add cx4 device ID

This is a simple device ID add for adapters that support
CX4 (copper infiniband style cable) connectors for 10GbE.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index e5f3da8..34bca16 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -48,7 +48,7 @@
 static const char ixgbe_driver_string[] =
 	"Intel(R) 10 Gigabit PCI Express Network Driver";
 
-#define DRV_VERSION "1.3.18-k2"
+#define DRV_VERSION "1.3.18-k4"
 const char ixgbe_driver_version[] = DRV_VERSION;
 static const char ixgbe_copyright[] =
 	 "Copyright (c) 1999-2007 Intel Corporation.";
@@ -72,6 +72,8 @@
 	 board_82598 },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598EB_CX4),
 	 board_82598 },
+	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598_CX4_DUAL_PORT),
+	 board_82598 },
 
 	/* required last entry */
 	{0, }