Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Create workspace by ansible playbook

    Change-Id: Ia79353e686240c5915e40b8202d3fdc289df2158
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 5da68bf..7455eb7 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 5da68bf0911e12237a3484e4160f959933f26c9a
+Subproject commit 7455eb762165d336e81ca901885dc9b45fa7cced