Create EOL tags for neutron-vpnaas train and ussuri branches

The older branches are currently broken and there is no
contributions to keep them up and running, this EOLs
those branches in order to only keep the maintained
releases only

Change-Id: I8721d32241a3caf653d73154a045c60e8645e878

deliverables/train/neutron-vpnaas.yaml

@@ -24,6 +24,10 @@ releases:
     projects:
       - repo: openstack/neutron-vpnaas
         hash: 66dfa3f57c2a4747b81b25bd4c2e3ecf30134b8b
+  - version: train-eol
+    projects:
+      - repo: openstack/neutron-vpnaas
+        hash: ddba180bd5e6bdfe4f2c459ab1078cd0cf42860d
 branches:
   - name: stable/train
     location: 15.0.0.0rc1

deliverables/ussuri/neutron-vpnaas.yaml

@@ -28,6 +28,10 @@ releases:
     projects:
       - repo: openstack/neutron-vpnaas
         hash: 3bf327fd5cc6bd08930d5046eff37bb7c204505f
+  - version: ussuri-eol
+    projects:
+      - repo: openstack/neutron-vpnaas
+        hash: 6ef2444dc2535a7e7b31a8945a6ac14d15983be2
 branches:
   - name: stable/ussuri
     location: 16.0.0.0rc1