Using master ONOS in ATT voltha scale test

Change-Id: I0bf72b780eb79c92c992b0e4e7dba4ff7916eadd
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index 433a8dc..1a7d53e 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -63,7 +63,7 @@
           withDhcp: true
           withIgmp: false
           extraHelmFlags: '--set authRetry=true,dhcpRetry=true --set global.log_correlation.enabled=true -f /home/jenkins/voltha-scale/voltha-values.yaml'
-          onosImg: registry.menlo.onlab.us/voltha-dev/voltha-onos:teo-olt
+          # onosImg: registry.menlo.onlab.us/voltha-dev/voltha-onos:teo-olt
           # volthaHelmChartsChange: refs/changes/29/23729/3
           openoltAdapterImg: gcgirish/voltha-openolt-adapter:meter