Enable Zyxel OLT jobs

Change-Id: Ib663fb3a761e7f7f949de563e3931b8ffb4cb0ba
diff --git a/jjb/voltha-test/voltha.yaml b/jjb/voltha-test/voltha.yaml
index 2fb8c49..63bf1f6 100644
--- a/jjb/voltha-test/voltha.yaml
+++ b/jjb/voltha-test/voltha.yaml
@@ -584,7 +584,7 @@
       - 'build_voltha_pod_release_timer':
           build-node: 'berlin-community-pod-2'
           config-pod: 'berlin-community-pod-2-gpon-zyxel'
-          disable-job: true
+          disable-job: false
           name-extension: '_DT'
           work-flow: 'DT'
           release: 'master'
@@ -615,7 +615,7 @@
       - 'build_voltha_pod_release_timer':
           build-node: 'berlin-community-pod-2'
           config-pod: 'berlin-community-pod-2-xgspon-zyxel'
-          disable-job: true
+          disable-job: false
           name-extension: '_DT'
           work-flow: 'DT'
           release: 'master'