Moved the configmap data to values.yaml to make it configurable

Change-Id: Idfef9a959cb29a67a64a0d42a177be8a8c06a74b
diff --git a/xos-core/templates/gateway-configmap.yaml b/xos-core/templates/gateway-configmap.yaml
index 98b6b54..7f0828a 100644
--- a/xos-core/templates/gateway-configmap.yaml
+++ b/xos-core/templates/gateway-configmap.yaml
@@ -20,13 +20,5 @@
     {{- include "xos-core.release_labels" . | indent 4 }}
 data:
   config: |
-    default:
-    xos:
-      host: xost
-      port: 9000
-    redis:
-      host: redis
-      port: 6379
-    gateway:
-      port: 3000
+{{ toYaml .Values.configs.gateway_config | indent 4 }}