Add fullstack project-infra jjb

Change-Id: I9035750f746aef664ec4adc35bfd439edfcf313f
diff --git a/jjb/metal3/projects.yml b/jjb/metal3/projects.yml
index 1c2f045..e68c970 100644
--- a/jjb/metal3/projects.yml
+++ b/jjb/metal3/projects.yml
@@ -242,6 +242,14 @@
     - main_clean
 
 - project:
+    name: 'project_infra'
+    repo:
+      org: "metal3-io"
+      name: "project-infra"
+    jobs:
+    - fullstack_project-infra_building_test
+
+- project:
     name: "capm3"
     org: metal3-io
     proj: