Update git submodules

Update git submodules

* Update docs/submodules/compass4nfv from branch 'master'
  - Merge "Committer_nomination_rama"
  - Committer_nomination_rama

    Hi committers, I propose to nominate Rama as a committer of Compass4nfv.
    Rama did a great work in integration Barometer and Stor4nrfv, she did lots of
    contributrion in Compass4nfv scenarios integration in Fraser release.
    More detailed contributions are listed:
    https://gerrit.opnfv.org/gerrit/#/q/owner:ramamani.yeleswarapu%2540intel.com+status:merged

    Please +2 vote for Rama,if you agree with Rama's nomination.

    Change-Id: I08113e8b5eae5e6c461a47e83186d5e80c6e0946
    Signed-off-by: chigang <chigang@huawei.com>