rename cluster levels to non-underscore names

Change-Id: Ic9bdafbeb1333699ce424612f8b2e8d8dafb7be2
diff --git a/classes/cluster/drivetrain-ha-clusters/cicd/control/slave.yml b/classes/cluster/drivetrain-ha-clusters/cicd/control/slave.yml
new file mode 100644
index 0000000..b5d63e2
--- /dev/null
+++ b/classes/cluster/drivetrain-ha-clusters/cicd/control/slave.yml
@@ -0,0 +1,3 @@
+classes:
+  - cluster.drivetrain-ha-clusters.cicd.control
+  - system.docker.swarm.manager