AETHER-896 Changes to integrate with Rancher Monitoring v2

Change-Id: I423f1070bad727e467521e73962ee91a8a282b78
diff --git a/monitoring/grafana-aether/templates/dashboard-configmap.yaml b/monitoring/grafana-aether/templates/dashboard-configmap.yaml
index a9e6d98..cc0dfa2 100644
--- a/monitoring/grafana-aether/templates/dashboard-configmap.yaml
+++ b/monitoring/grafana-aether/templates/dashboard-configmap.yaml
@@ -5,6 +5,9 @@
 kind: ConfigMap
 metadata:
   name: {{ .Release.Name }}-dashboards
+{{- if .Values.dashboardNamespace }}
+  namespace: {{ .Values.dashboardNamespace }}
+{{- end }}
   labels:
      grafana_dashboard: "1"
 data: