Bring in OVN metadata agent

Change-Id: I6bf172b47c6838811f6b485cfe1da65d8a0f6170
diff --git a/.kitchen.yml b/.kitchen.yml
index 222d4e0..2b5e840 100644
--- a/.kitchen.yml
+++ b/.kitchen.yml
@@ -27,6 +27,9 @@
     - name: keystone
       repo: git
       source: https://github.com/salt-formulas/salt-formula-keystone
+    - name: oslo_templates
+      repo: git
+      source: https://github.com/salt-formulas/salt-formula-oslo-templates
   state_top:
     base:
       "*":