Adding parameter to run custom radius chart on the scale setup

Change-Id: I11fb02b0ebe57099a2d103990ff2666ee95689c1
diff --git a/jjb/pipeline/voltha-scale-test.groovy b/jjb/pipeline/voltha-scale-test.groovy
index 8355bb7..db45816 100644
--- a/jjb/pipeline/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha-scale-test.groovy
@@ -63,6 +63,7 @@
     VOLTHA_ADAPTER_OPEN_OLT_CHART="${openoltAdapterChart}"
     VOLTHA_ADAPTER_OPEN_ONU_CHART="${openonuAdapterChart}"
     ONOS_CLASSIC_CHART="${onosChart}"
+    RADIUS_CHART="${radiusChart}"
 
     APPS_TO_LOG="etcd kafka onos-onos-classic adapter-open-onu adapter-open-olt rw-core ofagent bbsim radius"
     LOG_FOLDER="$WORKSPACE/logs"