Add an ability to set base_mac and dvr_base_mac in neutron.

Customer-Found
Change-Id: I28d05608152e2e053817271712f9f31e6d780010
diff --git a/tests/pillar/gateway_dvr.sls b/tests/pillar/gateway_dvr.sls
index fb3acd6..2751c75 100644
--- a/tests/pillar/gateway_dvr.sls
+++ b/tests/pillar/gateway_dvr.sls
@@ -1,5 +1,7 @@
 neutron:
   gateway:
+    base_mac: fa:16:3f:00:00:00
+    dvr_base_mac: fa:16:3f:a0:00:00
     agent_mode: dvr_snat
     backend:
       engine: ml2
@@ -22,4 +24,4 @@
       host: 127.0.0.1
       password: password
       workers: 2
-    version: mitaka
\ No newline at end of file
+    version: pike