Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Group test results and report under node

    Change-Id: I66286787d06c5012c6dcf516cffb9f6fd76522c5
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 7273ca9..6144eac 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 7273ca98a91399e188af15e192be93724977fe08
+Subproject commit 6144eac326d14e26bbb849abea51c4cf7f3881b6