Airship Parameterize the script path for e2e metal3 tests

and add the project-infra jobs

Change-Id: Ifac6229528098a03b74cf45e2db156ddb4666d0e
diff --git a/jjb/airship/projects.yml b/jjb/airship/projects.yml
index a363dba..55ebb82 100644
--- a/jjb/airship/projects.yml
+++ b/jjb/airship/projects.yml
@@ -40,6 +40,18 @@
       name: "airship-dev-tools"
 
 - project:
+    name: 'metal3io_project_infra'
+    branch: '${{ghprbActualCommit}}'
+    jobs:
+    - capi_bm_integration_tests_ubuntu
+    - capi_bm_integration_tests_centos
+    repo:
+      org: "metal3-io"
+      name: "project-infra"
+    ci_github_repo: 'metal3-io/project-infra'
+    ci_github_pipeline: 'jenkins/jobs/integration_tests.pipeline'
+
+- project:
     name: "nordix_bmo"
     jobs:
     - capi_bm_integration_tests_ubuntu