[Emu] Changes default OpenFlow port to 6653.

Change-Id: Ib1cf28579e42d5dc136d0b81eec1d317e372aac8
diff --git a/tools/test/topos/onos.py b/tools/test/topos/onos.py
index ae6045e..f9d4ba2 100755
--- a/tools/test/topos/onos.py
+++ b/tools/test/topos/onos.py
@@ -31,7 +31,7 @@
         Controller.__init__( self, name, **kwargs )
         # the following have been done for us:
         #self.ip = ip ('127.0.0.1')
-        #self.port = port (6633)
+        #self.port = port (6653)
         #self.protocol = protocol ('tcp')
         #self.checkListening()