Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Allow executing benchmark under non-root user

    Change-Id: I62b242c9a2e90cc6c0c6c5ca181356690e18b59b
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 7a03b70..27e8671 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 7a03b70c783828c7c17b4019c2cda295d31cf43f
+Subproject commit 27e86710e8d6080cda9e0121a0ff38275785cb7f