Update git submodules

Update git submodules

* Update docs/submodules/aaf/sms.git from branch 'master'
  to 8b9a5a06a5652d604026f3a2293639e30c15be0b
  - Migrate aaf-sms docs

    Example of how this changeset was created.
    includes link to documentation:
    https://gist.github.com/Aricg/bf95ef40c542ba211be8771e88e6f410

    Merging this will create
    https://onap-aaf-sms.readthedocs.io

    This build will run in parallel
    to the current docs generation method
    untill we are ready to cut over.

    Issue-ID: CIMAN-364
    Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
    Change-Id: I509302cf10fd03d5be93d3f1a8dd5609602bc76b