Use legacy docker repository for kubernetes

Change-Id: I163160b437908b7af3bf6226ff4580bafbd7c47a
diff --git a/kubernetes/control/init.yml b/kubernetes/control/init.yml
index 6e5fb40..87aee26 100644
--- a/kubernetes/control/init.yml
+++ b/kubernetes/control/init.yml
@@ -1,2 +1,3 @@
 classes:
   - service.kubernetes.control.cluster
+  - system.linux.system.repo.docker_legacy