Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to f2085c1400f9c70066e667a3e1df4ebfb1bbe764
  - Merge "Update KUD to switch to Ubuntu 18.04"
  - Update KUD to switch to Ubuntu 18.04

    Removed not needed packages for 18.04 for
    OVN, updated the vagrant image to 18.04
    and added some needed apt packages

    Issue-ID: MULTICLOUD-474
    Signed-off-by: Ritu Sood <ritu.sood@intel.com>
    Change-Id: I82550f8e58371af1c2476540c6b864384c450967

diff --git a/docs/submodules/multicloud/k8s.git b/docs/submodules/multicloud/k8s.git
index eaa37b5..f2085c1 160000 (submodule)
--- a/docs/submodules/multicloud/k8s.git
+++ b/docs/submodules/multicloud/k8s.git
@@ -1 +1 @@
-Subproject commit eaa37b56ecb872c85e1ac1f7c5ca8398ae340f23
+Subproject commit f2085c1400f9c70066e667a3e1df4ebfb1bbe764