ixgbe: fix bit mask for DCB version

This bit mask is wrong DCBX_HOST is always set. It was missed up
until now because lldpad reprograms the device on a link
event. However this is still wrong and it is best not to be
mis-configured for some time immediately following ixgbe_up().

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ixgbe/ixgbe_main.c

@@ -3745,7 +3745,7 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter)
 	hw->mac.ops.set_vfta(&adapter->hw, 0, 0, true);
 
 	/* reconfigure the hardware */
-	if (adapter->dcbx_cap & (DCB_CAP_DCBX_HOST | DCB_CAP_DCBX_VER_CEE)) {
+	if (adapter->dcbx_cap & DCB_CAP_DCBX_VER_CEE) {
 #ifdef CONFIG_FCOE
 		if (adapter->netdev->features & NETIF_F_FCOE_MTU)
 			max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE);