Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Use minimal output

    Easier to read the log message

    Change-Id: I49d61aa666a261e3e3bf3795cfe4341dca865dcb
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 7e27c6e..4154a75 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 7e27c6e5bcc11a08b0decbd274fb8a65cb91494d
+Subproject commit 4154a75853f6ba004de775194ebffbe00b591012