Fix galaxy role_name

Change-Id: Id9b12928596ca2de555def869afac9c9858b5105
diff --git a/meta/main.yml b/meta/main.yml
index d996ca6..d5216e7 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -5,7 +5,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 galaxy_info:
-  role: pxeboot
+  role_name: pxeboot
 
   author: Open Networking Foundation
   description: Configures a webserver with iPXE related boot scripts and images