Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "remove congress test in Daisy"
  - remove congress test in Daisy

    As Daisy don't support congress currently.

    Change-Id: I1d70c01ef12555622d3e2800d2eba12b652fb23b
    Signed-off-by: dongwenjuan <dong.wenjuan@zte.com.cn>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 8c419de..1618296 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 8c419deb306137caefa1cc58679d66a5dc0aba9c
+Subproject commit 161829694fee1bd234b0e86cc4bde50debd7a3e2