Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to c505dd3ce0d4d5bf4611d78e11bc1d6162f49147
  - Add Delete and DeleteAll functionality to etcd
    
    Currently only supports DeleteAll.
    
    Issue-ID: MULTICLOUD-871
    Signed-off-by: Ritu Sood <ritu.sood@intel.com>
    Change-Id: I9ee03648462c5a04481c89bf864cdec35cfd4230
    
diff --git a/docs/submodules/multicloud/k8s.git b/docs/submodules/multicloud/k8s.git
index 251c387..c505dd3 160000
--- a/docs/submodules/multicloud/k8s.git
+++ b/docs/submodules/multicloud/k8s.git
@@ -1 +1 @@
-Subproject commit 251c38778c0c499cae61383720dd8b053b16b87e
+Subproject commit c505dd3ce0d4d5bf4611d78e11bc1d6162f49147