Add EXTRA_VARS for bm and release jobs

Change-Id: I3ff5ee6f0d09ecdb50082cf20b5f1ec6e85f05e3
diff --git a/jobs/templates/heat-bm-cicd-pike-contrail-sl.yml b/jobs/templates/heat-bm-cicd-pike-contrail-sl.yml
index 576936f..473c3dd 100644
--- a/jobs/templates/heat-bm-cicd-pike-contrail-sl.yml
+++ b/jobs/templates/heat-bm-cicd-pike-contrail-sl.yml
@@ -222,6 +222,12 @@
         default: true
         description: 'Works starting from MCP 2019.2.10 or master. Whether to apply saltstack updates on all nodes in cluster before deployment'
         name: UPGRADE_SALTSTACK
+    - text:
+        default: ''
+        description: |-
+          Add env vars for deploy and testing
+        name: EXTRA_VARS
+        trim: 'false'
     pipeline-scm:
       lightweight-checkout: false
       scm: