Integrate gitlab-ci/optional_fng_install and 2 more

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@9be2c52b

pipeline:build: Fix indentation of here-doc

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@245e6537

pipeline:build: Make generation of install script optional

The Genio 700 platform doesn't have an fng_install.sh. Currently, the
pipeline fails because of the exit code in the script check.
Make the generation of the install command optional and only show a
warning if the script is missing.

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@8fedce8a

pipeline:build: Add MediaTek Genio 700 SoC

.gitlab-ci @ 9be2c52b

-Subproject commit 6f773de5a46c32b2ba590828513a50703d7e3d57
+Subproject commit 9be2c52b180ef30dcfffa1b5d954f29bf4756c35

.gitlab-ci.yml

@@ -4,8 +4,8 @@
 # ---------------------------------------------------------------------------------------
 include:
   - project: '${CI_PROJECT_ROOT_NAMESPACE}/yocto/infrastructure/gitlab-ci'
-    ref: 6f773de5a46c32b2ba590828513a50703d7e3d57
+    ref: 9be2c52b180ef30dcfffa1b5d954f29bf4756c35
     file: 'manifest-integration.yml'
 
 variables:
-  GITLAB_CI_REVISION: 6f773de5a46c32b2ba590828513a50703d7e3d57
+  GITLAB_CI_REVISION: 9be2c52b180ef30dcfffa1b5d954f29bf4756c35