Change node name from master to built-in [1]

[1]: https://www.jenkins.io/doc/book/managing/built-in-node-migration/

Signed-off-by: Arthur She <arthur.she@linaro.org>
Change-Id: Ic89d5243705365ad6d006c0cecf7818bbd5dd50a
2 files changed
tree: 60f77629b56c5ddc4bcfc5785ae24fb6a50c8f18
  1. ci/
  2. ci-job-configs-sanity-check.yaml
  3. trigger-ci-job-configs.yaml