Adding timeout in voltha scale multi stack jobs

Change-Id: I1180d7e00366be0d22b0b51307f5902b155cac6d
diff --git a/vars/helmTeardown.groovy b/vars/helmTeardown.groovy
index 71fd263..6070fca 100644
--- a/vars/helmTeardown.groovy
+++ b/vars/helmTeardown.groovy
@@ -22,8 +22,8 @@
         set +x
         PODS=\$(kubectl get pods -n ${n} --no-headers | wc -l)
         while [[ \$PODS != 0 ]]; do
-        sleep 5
-        PODS=\$(kubectl get pods -n ${n} --no-headers | wc -l)
+          sleep 5
+          PODS=\$(kubectl get pods -n ${n} --no-headers | wc -l)
         done
         """
     }