Update git submodules

Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to 42c5cef605d1bade236d64c2d73a062f3f935456
  - Merge "Adding QAT device plugin to KuD"
  - Adding QAT device plugin to KuD

    Basic working skeleton. Adding install script
    adding vars and updated the playbook. Working on Kernel
    mode updates and driver installation. Removing SRIOV vars
    Adding script to change the SSL value for 2 kinds of config files.
    Updating daemonset image. Adding prereq packages for qat.
    Minor edits for bashate.Adding testcase and conditions to
    Ansible tasks for clean, uninstall and install the driver.
    Updating the plays to use templating.
    Adding qat-kernel mode test case.

    Signed-off-by: akhilakishore <akhila.kishore@intel.com>
    Issue-ID: MULTICLOUD-860
    Change-Id: I5ad99e7211c859dc3cb054df644edd3fa77b2596