Integrate gitlab-ci/use-parent-child-build-jobs

--

Commit: seco-ne/yocto/infrastructure/gitlab-ci@2e6c1b4f

Build jobs: Use parent-child jobs to generate needed build jobs

* Move all build, deploy and test stubs to the manifest-build.yml
* Create a new job to generate and trigger the build jobs dynamically
* Add the base jinja2 file for the build jobs.
* Add initial docs for the manifest pipeline
* Remove unused files

.gitlab-ci @ 2e6c1b4f

-Subproject commit 1bc683d5b4393e4205f45c7236c0e702182256f5
+Subproject commit 2e6c1b4ff232614efbdbdcb66cabc4e33d066eb6

.gitlab-ci.yml

@@ -4,7 +4,7 @@
 # ---------------------------------------------------------------------------------------
 include:
   - project: '${CI_PROJECT_ROOT_NAMESPACE}/yocto/infrastructure/gitlab-ci'
-    ref: 1bc683d5b4393e4205f45c7236c0e702182256f5
+    ref: 2e6c1b4ff232614efbdbdcb66cabc4e33d066eb6
     file: 'manifest-integration.yml'
 
 variables: