Update git submodules

Update git submodules

* Update docs/submodules/oom/offline-installer.git from branch 'master'
  to 3cd75cd8d71f471a0217f525bb8e4ed5315266a8
  - Merge "Replace 'with_items' loop statements with 'loop' keyword"
  - Replace 'with_items' loop statements with 'loop' keyword

    As of Ansible 2.5 'loop' keyword is a recommended way
    for looping statements instead of 'with_dict'.

    Change-Id: I19e00cc27e13955e2056840fd4ce99841bc824ad
    Issue-ID: OOM-1887
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>