[Emu] Changes default OpenFlow port to 6653.

Change-Id: Ib1cf28579e42d5dc136d0b81eec1d317e372aac8
diff --git a/tools/test/bin/onos-set-controllers b/tools/test/bin/onos-set-controllers
index 5b3cd6f..27cc16c 100755
--- a/tools/test/bin/onos-set-controllers
+++ b/tools/test/bin/onos-set-controllers
@@ -6,7 +6,7 @@
 controllers=""
 
 for node in $ONOS_INSTANCES; do
-    controllers="$controllers tcp:$node:${OF_PORT:-6633}"
+    controllers="$controllers tcp:$node:${OF_PORT:-6653}"
 done
 
 ssh ${ONOS_USER:-sdn}@$OCN "