Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Copy integration test scripts from releng/jjb/qtip

    - it is better to manage these builder scripts in project instead of releng
    - releng shall keep only the job scheduler and publisher

    Change-Id: Idf8685427d8d24b1da83f31afdc7c640c0af2e5f
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 5e8a66c..4a01c0e 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 5e8a66c2d8e6c7c5b04321379fd25a8c0604098a
+Subproject commit 4a01c0eeb1c31239b9194999997210e04b437ddd