Update git submodules

Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - Merge "Moving all pdfs to pharos repo"
  - Moving all pdfs to pharos repo

    Inline encrytion of yaml files allows us to  make away with securedlab's
    restrictions
    Going forward, anyone will be able to see Lab PDFs

    See:
    https://github.com/opnfv/pharos/blob/master/config/utils/README.eyaml.rst

    If you are the reviewer on this changeset it is becasue
    git blamed showed you to be the author of the pdf in this review.

    Encrypting ipmi password is optional. I have scrubbed the password from
    this change. If you do not need the password to be hidden, please let me
    know in the comment, and I will put it back.

    If you do need the password hidden, please follow the readme above and
    ammend this patch to include the encrypted value that you create on your
    pods jumphost.

    Change-Id: Ie3e935e7e9250a387858c29eb77c3c06b4fe3f57
    Signed-off-by: agardner <agardner@linuxfoundation.org>