Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to b5e4a8178fce6ab9d60f1c4e2cd9ec53cbd5d2f8
  - Add support for Network Operator

    ovn4nfvk8s plugin now uses operator sdk
    and controller runtime. It now includes
    support for Network operator. This patch
    includes changes needed in KUD for that.

    Signed-off-by: Ritu Sood <ritu.sood@intel.com>
    Issue-ID: MULTICLOUD-684
    Change-Id: I63dc971e257067c69c70a8996eaffd1a9d8a4c2c

diff --git a/docs/submodules/multicloud/k8s.git b/docs/submodules/multicloud/k8s.git
index dcace07..b5e4a81 160000 (submodule)
--- a/docs/submodules/multicloud/k8s.git
+++ b/docs/submodules/multicloud/k8s.git
@@ -1 +1 @@
-Subproject commit dcace0784979890bb986fb078348b4b3ceef146c
+Subproject commit b5e4a8178fce6ab9d60f1c4e2cd9ec53cbd5d2f8