Update git submodules

Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to 4e40da7ae995a467a2ffa699af598ea10cd0daa3
  - Merge "Use Multus Daemonset for installing Multus in KuD"
  - Use Multus Daemonset for installing Multus in KuD

    Currently KuD uses Ansible scripts for installing Multus.
    Multus has a daemonset that should be used for installing the multus
    as part of an add-on.
    This is also helpful for KuD offline deployment in the future.
    Removed the comment. Updated the images path and removed
    error supression addressed by comments.

    Signed-off-by: Akhila Kishore <akhila.kishore@intel.com>
    Issue-ID: MULTICLOUD-681
    Change-Id: Id3702a2b5bd18804c2d7e4d063eba656202cb840