Update git submodules

* Update docs/submodules/releng from branch 'master'
  - bugfix: unexpected file end for support SUT branches

    JIRA: BOTTLENECK-103

    Bugfix for 38413 that unexpected file end

    Change-Id: Iab41019b2149332c44dc08e518d3787ccba6be9f
    Signed-off-by: yuyang <Gabriel.yuyang@huawei.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 704c551..80c00aa 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 704c55142e663599264aec1a1fbd7b19d55885a3
+Subproject commit 80c00aace84ff12550bb5c1b0825ba97de01aa8e