Fix BigSwitchDeviceProvider referencing Nicira MAC address.

Change-Id: I966dd742ef09c536e7a181db4e8843acc75fad97
diff --git a/ecord/co/src/main/java/org/onosproject/ecord/co/BigSwitchDeviceProvider.java b/ecord/co/src/main/java/org/onosproject/ecord/co/BigSwitchDeviceProvider.java
index 5e96c6f..bfe566d 100644
--- a/ecord/co/src/main/java/org/onosproject/ecord/co/BigSwitchDeviceProvider.java
+++ b/ecord/co/src/main/java/org/onosproject/ecord/co/BigSwitchDeviceProvider.java
@@ -429,7 +429,7 @@
 
     private void prepareProbe() {
         ethPacket.setEtherType(Ethernet.TYPE_LLDP)
-                 .setDestinationMACAddress(ONOSLLDP.LLDP_NICIRA)
+                 .setDestinationMACAddress(ONOSLLDP.LLDP_ONLAB)
                  .setPad(true);
     }