Make configmap path resolution more robust

Change-Id: Iff55e8db3519643ef8ef9ce0cc6d70130726c09b
diff --git a/xos-core/templates/db-deployment.yaml b/xos-core/templates/db-deployment.yaml
index df06309..166e101 100644
--- a/xos-core/templates/db-deployment.yaml
+++ b/xos-core/templates/db-deployment.yaml
@@ -25,7 +25,7 @@
       labels:
         app: xos-db    
       annotations:
-        checksum/config-map: {{ include (print $.Chart.Name "/templates/db-configmap.yaml") . | sha256sum }}
+        checksum/config-map: {{ include (print $.Template.BasePath "/db-configmap.yaml") . | sha256sum }}
     spec:
       containers:
         - name: xos-db