Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to 219a7eab4129b3e500bcaf6c62819011580895ba
  - Add nodeaffinity for cFW pods
    
    Change-Id: I31077bbaff99f7ffc2c13abd5899afd05cf560f9
    Issue-ID: MULTICLOUD-999
    Signed-off-by: Bin Yang <bin.yang@windriver.com>
    
diff --git a/docs/submodules/multicloud/k8s.git b/docs/submodules/multicloud/k8s.git
index 6547e45..219a7ea 160000
--- a/docs/submodules/multicloud/k8s.git
+++ b/docs/submodules/multicloud/k8s.git
@@ -1 +1 @@
-Subproject commit 6547e45fd9f60437811ef35b9d101cdaef494542
+Subproject commit 219a7eab4129b3e500bcaf6c62819011580895ba