Add per-patchset e2e job for Tucson pod

Change-Id: I031926ab12f446ccf5d85fc9096bf2bf13c4a5de
diff --git a/jjb/cord-test/nightly-build-pipeline.yaml b/jjb/cord-test/nightly-build-pipeline.yaml
index 063c9b7..405e290 100644
--- a/jjb/cord-test/nightly-build-pipeline.yaml
+++ b/jjb/cord-test/nightly-build-pipeline.yaml
@@ -872,6 +872,11 @@
           default: true
           description: "Re-install olt software bringing up CORD"
 
+      - bool:
+          name: withPatchset
+          default: false
+          description: "Apply a Gerrit patchset during the build"
+
     concurrent: true
 
     pipeline-scm: