Fixing tag for openonugo, removing set to true, add to helm flags if needed

Change-Id: I728cd71315a7c54b859b5c0ad61653eeca099550
diff --git a/jjb/pipeline/voltha-scale-test.groovy b/jjb/pipeline/voltha-scale-test.groovy
index ed7e764..7952990 100644
--- a/jjb/pipeline/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha-scale-test.groovy
@@ -252,7 +252,7 @@
             # OpenONU GO custom image handling
             if [ '${openonuAdapterGoImg.trim()}' != '' ] && [ '\$GERRIT_PROJECT' != 'voltha-openonu-adapter-go' ]; then
               IFS=: read -r openonuAdapterGoRepo openonuAdapterGoTag <<< '${openonuAdapterGoImg.trim()}'
-              EXTRA_HELM_FLAGS+="--set use_openonu_adapter_go=true,images.adapter_open_onu_go.repository=\$openonuAdapterGoRepo,images.adapter_open_onu.tag=\$openonuAdapterGoTag "
+              EXTRA_HELM_FLAGS+="--set images.adapter_open_onu_go.repository=\$openonuAdapterGoRepo,images.adapter_open_onu_go.tag=\$openonuAdapterGoTag "
             fi
 
             # ONOS custom image handling