[CORD-2909] Flatten and parameterize charts

Change-Id: I695c1df063b0f6f6ccf280254d54cc701292348f
diff --git a/xos-core/templates/tosca-configmap.yaml b/xos-core/templates/tosca-configmap.yaml
index 54f2146..6269be3 100644
--- a/xos-core/templates/tosca-configmap.yaml
+++ b/xos-core/templates/tosca-configmap.yaml
@@ -1,3 +1,4 @@
+---
 # Copyright 2017-present Open Networking Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -20,4 +21,4 @@
     {{- include "xos-core.release_labels" . | indent 4 }}
 data:
   config: |
-{{ toYaml .Values.configs.tosca_config | indent 4 }}
+{{ include "xos-tosca.config" . | indent 4 }}