cnic: remove use of VLAN_TAG_PRESENT

This just removes VLAN_TAG_PRESENT use.  VLAN TCI=0 special meaning is
deeply embedded in the driver code and so is left as is.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c
index d83233a..510dfc1 100644
--- a/drivers/net/ethernet/broadcom/cnic.c
+++ b/drivers/net/ethernet/broadcom/cnic.c
@@ -5731,7 +5731,7 @@
 		if (realdev) {
 			dev = cnic_from_netdev(realdev);
 			if (dev) {
-				vid |= VLAN_TAG_PRESENT;
+				vid |= VLAN_CFI_MASK;	/* make non-zero */
 				cnic_rcv_netevent(dev->cnic_priv, event, vid);
 				cnic_put(dev);
 			}