Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to 88c3694fa50ea8fee314752e096f8070f017ac6c
  - Use http when not using tls
    
    Issue-ID: MULTICLOUD-666
    Change-Id: I8838fb2d312c841fd421d0a887bcfe181f6281e9
    Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>
    
1 file changed