Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to a767721c447a624cebdec811795475fd5345b9ff
  - Merge "Move configuration into config files"
  - Move configuration into config files

    Move k8splugin configuration into config files
    instead of using environment variables.

    Issue-ID: MULTICLOUD-579
    Change-Id: I7b76d5a14d24f002a8db484097a31fb5e908b6f8
    Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>

diff --git a/docs/submodules/multicloud/k8s.git b/docs/submodules/multicloud/k8s.git
index ce36e99..a767721 160000 (submodule)
--- a/docs/submodules/multicloud/k8s.git
+++ b/docs/submodules/multicloud/k8s.git
@@ -1 +1 @@
-Subproject commit ce36e99a466993bdbbfba8a235db52e565da3340
+Subproject commit a767721c447a624cebdec811795475fd5345b9ff