SEBA-462 Add desired_state field to synchronizer config

Change-Id: Ic5febd61264d5f89d9cfa2703e138f1fe65c0c08
diff --git a/xos-services/simpleexampleservice/templates/_helpers.tpl b/xos-services/simpleexampleservice/templates/_helpers.tpl
index fe72cdc..e009426 100644
--- a/xos-services/simpleexampleservice/templates/_helpers.tpl
+++ b/xos-services/simpleexampleservice/templates/_helpers.tpl
@@ -48,6 +48,7 @@
 
 {{- define "simpleexampleservice.serviceConfig" -}}
 name: simpleexampleservice
+desired_state: {{ .Values.desired_state | quote }}
 accessor:
   username: {{ .Values.xosAdminUser | quote }}
   password: {{ .Values.xosAdminPassword | quote }}