Update git submodules

Update git submodules

* Update docs/submodules/oom.git from branch 'master'
  to a2320b9ea2517847879a0a8c05b62032c93f2573
  - Merge "Add CDS as new chart"
  - Add CDS as new chart

    CDS (Common Design Studio) was put in common but with the arrival of a
    chart that hosts the UI, it seems better to have it into its own "root"
    chart.

    For now, CDS chart is being installed if it's set as enabled in SDNC.

    Change-Id: I73bdcfaeb29b796793374513e152244a41e82d52
    Issue-ID: CCSDK-1015
    Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>