Update git submodules

Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to 7c1fb25948c06e4e0b572241ae292fc31a4f4af1
  - Merge "Integrating NFD Daemonset with KuD"
  - Integrating NFD Daemonset with KuD

    Current NFD code in KuD is unused and obsolete.
    Integrating NFD as DaemonSet and updating test case for NFD.
    Added comments. Addressed comments and changed the
    matchExpression to kernel features. Changed operator from "In" to Gt,
    and values 4 to 3 better fit broader spectrum of O.S's.
    Adding exit conditon in case there's an error status.

    Signed-off-by: Akhila Kishore <akhila.kishore@intel.com>
    Issue-ID: MULTICLOUD-797
    Change-Id: I454fb1998fc84e5f0d566f32b7dcfd85872c5183