ixgbe: add support for X540-AT1

commit df376f0d upstream.

This patch adds device support for Ethernet Controller X540-AT1.
Signed-off-by: Josh Hay <joshua.a.hay@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Abdallah Chatila <Abdallah.Chatila@ericsson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/net/ixgbe/ixgbe_common.c

@@ -3181,6 +3181,7 @@ static s32 ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
 
 	switch (hw->device_id) {
 	case IXGBE_DEV_ID_X540T:
+	case IXGBE_DEV_ID_X540T1:
 		return 0;
 	case IXGBE_DEV_ID_82599_T3_LOM:
 		return 0;

drivers/net/ixgbe/ixgbe_main.c

@@ -129,6 +129,8 @@ static DEFINE_PCI_DEVICE_TABLE(ixgbe_pci_tbl) = {
 	 board_82599 },
 	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_LS),
 	 board_82599 },
+	{PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X540T1),
+	 board_X540 },
 
 	/* required last entry */
 	{0, }

drivers/net/ixgbe/ixgbe_type.h

@@ -64,6 +64,7 @@
 #define IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ  0x000C
 #define IXGBE_DEV_ID_82599_LS            0x154F
 #define IXGBE_DEV_ID_X540T               0x1528
+#define IXGBE_DEV_ID_X540T1              0x1560
 
 /* General Registers */
 #define IXGBE_CTRL      0x00000