Update gerrit credentials value in vnf jobs

PROD-31174

Change-Id: I0836fe9896f0f9189fd83221233cd827ee94a0fe
diff --git a/jenkins/client/job/deploy/kqueen.yml b/jenkins/client/job/deploy/kqueen.yml
index 1935a43..ff4a35f 100644
--- a/jenkins/client/job/deploy/kqueen.yml
+++ b/jenkins/client/job/deploy/kqueen.yml
@@ -33,7 +33,7 @@
               default: "${_param:jenkins_gerrit_url}/mk/heat-templates"
             STACK_TEMPLATE_CREDENTIALS:
               type: string
-              default: "gerrit"
+              default: ${_param:jenkins_gerrit_credentials}
             STACK_TEMPLATE_BRANCH:
               type: string
               default: "master"
@@ -93,7 +93,7 @@
               default: "${_param:jenkins_gerrit_url}/mk/heat-templates"
             STACK_TEMPLATE_CREDENTIALS:
               type: string
-              default: "gerrit"
+              default: ${_param:jenkins_gerrit_credentials}
             STACK_TEMPLATE_BRANCH:
               type: string
               default: "master"