Update git submodules

* Update docs/submodules/oom/offline-installer.git from branch 'master'
  to 04d235174c0d7f2d2a1d97b69b50772f7d075708
  - Merge "Verify dependencies for build_nexus_blob.sh are installed"
  - Verify dependencies for build_nexus_blob.sh are installed

    Script now checks if utilized tools are installed on the
    system. Without that it would fail in the middle of the flow.
    Now it will fail fast at the beginning if a particular dependency
    is missing. It will also list those missing dependencies.

    Change-Id: I39bb6f5d1b9d3eec4a76e77a6af9470f3a3d5244
    Issue-ID: OOM-1945
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>