Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to 84c644d692929bbf041aae16c91e6dbf5fbdeb7f
  - Merge "Day 2 Configuration API's"
  - Day 2 Configuration API's

    This patch adds Configuration API's
    https://wiki.onap.org/display/DW/MultiCloud+K8s-Plugin-service+API%27s

    Change-Id: I52ebfc5aa980ec8af4a31569d569216e9a2a760c
    Issue-ID: MULTICLOUD-464
    Signed-off-by: rsood <ritu.sood@intel.com>

diff --git a/docs/submodules/multicloud/k8s.git b/docs/submodules/multicloud/k8s.git
index 3357aa8..84c644d 160000 (submodule)
--- a/docs/submodules/multicloud/k8s.git
+++ b/docs/submodules/multicloud/k8s.git
@@ -1 +1 @@
-Subproject commit 3357aa8ad47c923021d53796c618c94f7c4ef37c
+Subproject commit 84c644d692929bbf041aae16c91e6dbf5fbdeb7f