Upgrade router and registry only when these are managed

playbooks/openshift-hosted/private/upgrade.yml

@@ -9,6 +9,8 @@
   - import_role:
       name: openshift_hosted
       tasks_from: upgrade_routers.yml
+    when: openshift_hosted_manage_router | default(True) | bool
   - import_role:
       name: openshift_hosted
       tasks_from: upgrade_registry.yml
+    when: openshift_hosted_manage_registry | default(True) | bool