Update git submodules

Update git submodules

* Update docs/submodules/oom.git from branch 'master'
  to 111f15d0d813002f21d569010a3dd6b605a70acd
  - Merge "[VNFSDK] Use common secret template for postgres credentials"
  - [VNFSDK] Use common secret template for postgres credentials

    Even through we use common secret template both passwords are still
    hardcoded in common postgres chart but this will be removed as a final
    step just like we did for mariadb-galera.

    Issue-ID: OOM-2250
    Change-Id: I4ca210c99c27fbfbf74a467d72a81b2e38d8d800
    Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>