VOL-2361 Use utilities downloaded by kind-voltha

Change-Id: If2906aaaf219a37bec5fafe6389e8deba1591bde
diff --git a/jjb/pipeline/voltha-physical-build-and-tests.groovy b/jjb/pipeline/voltha-physical-build-and-tests.groovy
index 641d15b..ef01e19 100644
--- a/jjb/pipeline/voltha-physical-build-and-tests.groovy
+++ b/jjb/pipeline/voltha-physical-build-and-tests.groovy
@@ -36,7 +36,7 @@
   environment {
     KUBECONFIG="$HOME/.kube/kind-config-voltha-minimal"
     VOLTCONFIG="$HOME/.volt/config-minimal"
-    PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$WORKSPACE/kind-voltha/bin"
+    PATH="$WORKSPACE/kind-voltha/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
     TYPE="minimal"
     FANCY=0
     //VOL-2194 ONOS SSH and REST ports hardcoded to 30115/30120 in tests