[VOL-4594] Enable 4k job on single OLT

Change-Id: I3a2d67212aab2cabb45fe12627156eea46e615bb
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index 1f49edd..f161628 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -140,7 +140,7 @@
 
       - 'voltha-scale-measurements':
             name: 'voltha-scale-measurements-master-1-64-63-dt-subscribers'
-            'disable-job': true
+            'disable-job': false
             build-node: 'voltha-scale-1'
             time-trigger: "H H/4 * * *"
             olts: 1