Update git submodules

Update git submodules

* Update docs/submodules/oom.git from branch 'master'
  to 8548acbe7b3e53d048af4d74faf53e3a48565ca3
  - Merge "[DOC] Update documentation for Frankfurt"
  - [DOC] Update documentation for Frankfurt

    Initial documentation update with the following changes:

    * Remove last old release references
    * Explain the "masterPassword" mandatory parameter

    Issue-ID: OOM-2324
    Issue-ID: OOM-1960
    Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
    Change-Id: Ib3b1ba7c585c7e27793329ec5eb43d797e23da99