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 etc 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: Idc70540477d8569f15335e75e7725c1e4e56a60b
    Signed-off-by: agardner <agardner@linuxfoundation.org>