upgrade jenkins pipeline added param

Change-Id: Ie70328ab72fb609610e86532e11d5bbdde06c618
diff --git a/jenkins/client/job/deploy/update/upgrade.yml b/jenkins/client/job/deploy/update/upgrade.yml
index efbd153..415e0b4 100644
--- a/jenkins/client/job/deploy/update/upgrade.yml
+++ b/jenkins/client/job/deploy/update/upgrade.yml
@@ -35,3 +35,7 @@
               type: boolean
               default: 'true'
               description: "Rollback if control upgrade fails"
+            SKIP_VM_RELAUNCH:
+              type: boolean
+              default: 'false'
+              description: "Set to true if vms should not be recreated"