Add releasenote to tag the Patrole for Wallaby release

This commit adds the releasenote to tag Patrole for Wallaby
release.

Change-Id: Idf680e5749368b81de2bc6cd1e3e8d3ec88cfbd9
diff --git a/releasenotes/notes/patrole-wallaby-release-cbc6687e4aeff56a.yaml b/releasenotes/notes/patrole-wallaby-release-cbc6687e4aeff56a.yaml
new file mode 100644
index 0000000..c57bfbe
--- /dev/null
+++ b/releasenotes/notes/patrole-wallaby-release-cbc6687e4aeff56a.yaml
@@ -0,0 +1,17 @@
+---
+prelude: |
+    This release is to tag the Patrole for OpenStack Wallaby release.
+    This release marks the start of Wallaby release support in Patrole.
+    After this release, Patrole will support below OpenStack Releases:
+
+    * Wallaby
+    * Victoria
+    * Ussuri
+    * Train
+
+    Current development of Patrole is for OpenStack Xena development
+    cycle. Every Patrole commit is also tested against master during
+    the Xena cycle. However, this does not necessarily mean that using
+    Patrole as of this tag will work against a Xena (or future release)
+    cloud.
+    To be on safe side, use this tag to test the OpenStack Wallaby release.