Airship Parameterize the script path for e2e metal3 tests

and add the project-infra jobs

Change-Id: Ifac6229528098a03b74cf45e2db156ddb4666d0e
diff --git a/jjb/airship/defaults.yml b/jjb/airship/defaults.yml
index 292aee0..f41a72f 100644
--- a/jjb/airship/defaults.yml
+++ b/jjb/airship/defaults.yml
@@ -33,3 +33,4 @@
     ci_github_admin_user: 'nordixinfra'
     ci_github_whitelist_org:
     - nordix-airship
+    ci_github_pipeline: 'ci/jobs/capi_bm_integration_tests.pipeline'