ixgbe: add WOL support for backplane adapters

This change adds support for certain 82599 based Mezzanine adapters.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 10fff68..af4ef29 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -7088,6 +7088,13 @@
 		goto err_sw_init;
 
 	switch (pdev->device) {
+	case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
+		/* All except this subdevice support WOL */
+		if (pdev->subsystem_device ==
+		    IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) {
+			adapter->wol = 0;
+			break;
+		}
 	case IXGBE_DEV_ID_82599_KX4:
 		adapter->wol = (IXGBE_WUFC_MAG | IXGBE_WUFC_EX |
 				IXGBE_WUFC_MC | IXGBE_WUFC_BC);