Update git submodules

Update git submodules

* Update docs/submodules/moon from branch 'master'
  - Various corrections

    Adjusted structure and enabled referencing.

    Change-Id: I23a8afd08ebb013d772314b450497c17bfdfc4fc
    Signed-off-by: Sofia Wallin <sofia.wallin@ericsson.com>
  - moon planning

    Change-Id: Ib161f164067112e1a044793017418ff1399c69fe
    Signed-off-by: RHE <rebirthmonkey@gmail.com>
  - Merge "Update code to the latest working version: version 4.2"
  - Merge "Clean the code."
  - Merge "Fix some bugs in bootstrap."
  - Update code to the latest working version: version 4.2

    Change-Id: I25d222ce9c8f4af8755886b79852d99b6870d515

  - Clean the code.

    Change-Id: Iac63eaf3573668add4d61f8010ea5240efb49c8a

  - Fix some bugs in bootstrap.

    Change-Id: I6ef3f69ebb26987f2529d2d7e6e96024de817544