[SEBA-843] Storing PortNo in the ONU Device struct so that it can be passed with the packetIndications

Change-Id: I28e0bf5721d11fc52d70c6072a6cf70586ba5f98
diff --git a/api/bbsim/bbsim.proto b/api/bbsim/bbsim.proto
index bc76a92..85581fc 100644
--- a/api/bbsim/bbsim.proto
+++ b/api/bbsim/bbsim.proto
@@ -45,6 +45,7 @@
     int32 STag = 6;
     int32 CTag = 7;
     string HwAddress = 8;
+    int32 PortNo = 9;
 }
 
 message ONUs {