Update git submodules

Update git submodules

* Update docs/submodules/oom/offline-installer.git from branch 'master'
  to 97009aaa3a8c1c12f1ea842581609992fc9506af
  - Merge "Adding Ubuntu support in Ansible - package-repository-check role"
  - Adding Ubuntu support in Ansible - package-repository-check role

    Extending ansible playbooks of ubuntu support.
    Creating new test with Ubuntu image for Molecule in package-repository-check role.

    Issue-ID: OOM-1671
    Signed-off-by: Jan Benedikt <j.benedikt@partner.samsung.com>
    Change-Id: I9dcdbab00169ccfc13a10c1d9b6ec9cf10572688