Update git submodules

Update git submodules

* Update docs/submodules/oom.git from branch 'master'
  to fe8c46d5556541c90600e4f2903e63ac783addf0
  - Update git submodules

    * Update kubernetes/aai from branch 'master'
      to c2d6e68b32be2bc2a421f21d23b12abdf314198c
      - Moving AAI Helm Chart version for El Alto

        Updating Helm Charts to 5.0.0 for the El Alto release.

        Merge will be co-ordinated with the merge of a separate oom patch https://gerrit.onap.org/r/#/c/oom/+/91274/.
        Please do not merge until this coordination has completed.

        Issue-ID: OOM-1981
        Signed-off-by: Mike Elliott <mike.elliott@amdocs.com>
        Change-Id: I14ef1a2a946f51cf7ea98803cb1d6ea1e0039fa6