Add default policy for Panko

PROD-35531

Change-Id: I591e0365af4849bbe2a5c2ef9f4b19440a122395
diff --git a/defaults/openstack/policy/panko.yml b/defaults/openstack/policy/panko.yml
new file mode 100644
index 0000000..d2c88ae
--- /dev/null
+++ b/defaults/openstack/policy/panko.yml
@@ -0,0 +1,6 @@
+classes:
+- system.defaults.openstack.policy.all
+parameters:
+  panko:
+    server:
+      policy: ${_param:panko_default_policy_${_param:openstack_version}}