Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "[QTIP] extend the timeout"
  - [QTIP] extend the timeout

    The test execution time for VM costs around 1hr
    and 30 min. Need to extend the timeout.

    Change-Id: I6f83dc5ed8c5c1ae76b6e6e33758bfdb254aef23
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 419a9d9..19b9672 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 419a9d9b08419405fd6d3d5eadc3f61703fe1fd5
+Subproject commit 19b96727f7e29280cb58827f1208c5ebb03deac1