Default openshift_is_atomic to false for openshift_repos.

roles/openshift_repos/tasks/main.yaml

@@ -1,6 +1,6 @@
 ---
 
-- when: not openshift_is_atomic
+- when: not (openshift_is_atomic | default(False))
   block:
   # TODO: This needs to be removed and placed into a role
   - name: Ensure libselinux-python is installed