Supports IPv6 address for scp and rsync

ONOS-7680

Change-Id: Ica7466715c64765310bfc7bf34126ed02d1818b7
diff --git a/tools/test/bin/onos-push-routing b/tools/test/bin/onos-push-routing
index 0926772..f2eecee 100755
--- a/tools/test/bin/onos-push-routing
+++ b/tools/test/bin/onos-push-routing
@@ -20,7 +20,7 @@
 node=${1:-$OCN}
 
 ssh $ONOS_USER@$node sudo rm -rf routing
-scp -qr $routing $ONOS_USER@$node:
+scp -qr $routing $ONOS_USER@[$node]:
 
 echo "@stc routing_root=$routing_root"
 echo "@stc routing=$routing"