add timer to mcp1.0 heat lab jobs

Change-Id: I15f687ceb860c62eca601c6dd517fd5f592b1f29
diff --git a/jenkins/client/job/deploy/lab/mk/init.yml b/jenkins/client/job/deploy/lab/mk/init.yml
index 0fc26f7..17dca28 100644
--- a/jenkins/client/job/deploy/lab/mk/init.yml
+++ b/jenkins/client/job/deploy/lab/mk/init.yml
@@ -19,6 +19,9 @@
               url: "${_param:jenkins_gerrit_url}/mk/mk-pipelines"
               credentials: "gerrit"
               script: lab-pipeline.groovy
+            trigger:
+              timer:
+                spec: "{{timer}}"
             param:
               # deployments and test settings
               STACK_TYPE: