Update git submodules

* Update docs/submodules/qtip from branch 'stable/euphrates'
  - Disable tty in CI scripts to remove color in ansible output

    This will make the console log more readable

    Change-Id: Ia577d243d52449f580d34002e2052fa024e0f20d
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>
    (cherry picked from commit 0c43a307ff30b11af348e17b7c81f278c21c93ff)

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 6a67e65..d30576b 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 6a67e65307ab58748228c9cc83f2cc0a452ed8ee
+Subproject commit d30576b671e8ea47ff30851b24285ee0cc2b9ec4