including helmRepoUrl in flex pod job

Change-Id: I9ed3adaf28ca32fe5f386ccb336086a56509e7f4
diff --git a/jjb/cord-test/nightly-build-pipeline.yaml b/jjb/cord-test/nightly-build-pipeline.yaml
index b7f0b51..1483403 100644
--- a/jjb/cord-test/nightly-build-pipeline.yaml
+++ b/jjb/cord-test/nightly-build-pipeline.yaml
@@ -174,6 +174,11 @@
          default: '{branch}'
 
       - string:
+         name: helmRepoUrl
+         default: 'https://charts.opencord.org'
+         description: 'URL where helm-charts are published'
+
+      - string:
          name: profile
          default: '{profile}'
          description: 'Profile in which this job installs'