Update git submodules

Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Remove opendaylight service mask

    Nitrogen SR2 brought in weird behaviour into netvirt feature
    configuration causing malfunction tunnels between client nodes
    (e.g. gateway, computes). In order to work properly service
    of opendaylight requires an explicit restart or reload by means
    of salt formula.

    Change-Id: I277da5ad2787f1005647e500b64c7ffa6051443b
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>