change order of AWS/GCP

Author: mletalie

_topic_maps/_topic_map_osd.yml

@@ -103,10 +103,10 @@ Distros: openshift-dedicated
 Topics:
 - Name: Limits and scalability
   File: osd-limits-scalability
-- Name: Customer Cloud Subscriptions on AWS
-  File: aws-ccs
 - Name: Customer Cloud Subscriptions on GCP
   File: gcp-ccs
+- Name: Customer Cloud Subscriptions on AWS
+  File: aws-ccs
 ---
 Name: Getting started
 Dir: osd_getting_started