Update metadata for Ansible galaxy support

Change-Id: I70c746ccd99934e639520792c2bd6fcfa581cedd
diff --git a/meta/main.yml b/meta/main.yml
index 0ba8885..57db370 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -5,6 +5,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 galaxy_info:
+  role_name: redis
   author: Open Networking Foundation
   description: Redis in-memory key-value store
   company: Open Networking Foundation