Update git submodules

Update git submodules

* Update docs/submodules/fds from branch 'master'
  - Added script for resource cleanup

    This script can be either run from jumphost or overcloud nodes.
    If run from jumphost, it will clean all resources on all nodes as well
    as openstack resources.
    If run from an overcloud node, it will clean resources on that node.
    The script supports whitelisting and exclusion of resources to be
    cleaned.

    Change-Id: I46c937dc31a1ed4b9be1d641183c9cc3b42bbb2d
    Signed-off-by: juraj.linkes <jlinkes@cisco.com>