Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "QTIP: create a daily CI job for network test"
  - QTIP: create a daily CI job for network test

    Change-Id: I0913e115951aa48eb99366125292772f4fc6d93e
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index b641622..14b5f30 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit b641622c5f67ac7c139f15efbbee4783c5dafba2
+Subproject commit 14b5f30468a96c5e400d2139caac7c52a1542b26