Update git submodules

Update git submodules

* Update docs/submodules/oom.git from branch 'master'
  to 277ea0d7bf43a7cfcf0a621ea2ecfdcdc22672b9
  - Merge "[Contrib] Authorize choice of subcomponents"
  - [Contrib] Authorize choice of subcomponents

    Instead of forcing installation of all contrib components, make the
    installation of these components enabled with a toggle, so each person
    can choose to install a subset, all or none.

    Issue-ID: OOM-2352
    Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
    Change-Id: Ie112fe1f1864587b9ac69f18967a3c28d16bdbbe