Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to a21d70037b5c3bf0e21d4f0d71a2682a5e2f3c77
  - vFw Demo Helm chart issue
    
    Fixing a typo in vFw Helm chart
    
    Change-Id: I5e7657dba037e48539ac32a98f1731ec1ff942a8
    Issue-ID: MULTICLOUD-708
    Signed-off-by: Ritu Sood <ritu.sood@intel.com>
    
1 file changed