Unify oslo_policy pillars across OS components

PROD-33618

Change-Id: Ic405e7a042abbdd107484f64973e2119e54a5314
diff --git a/gnocchi/files/4.2/gnocchi.conf b/gnocchi/files/4.2/gnocchi.conf
index 7e1767b..27fc420 100644
--- a/gnocchi/files/4.2/gnocchi.conf
+++ b/gnocchi/files/4.2/gnocchi.conf
@@ -204,8 +204,8 @@
 {%- include "oslo_templates/files/queens/oslo/_middleware.conf" %}
 
 [oslo_policy]
-{%- if server.policy is defined %}
-{%- set _data = server.policy %}
+{%- if server.oslo_policy is defined %}
+{%- set _data = server.oslo_policy %}
 {%- include "oslo_templates/files/queens/oslo/_policy.conf" %}
 {%- endif %}