Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Revert "delete the code which will not included in Fraser"

    This reverts commit b34030013f9af4c40fd79850a85957c842e76595.

    Change-Id: Ief09eaa4b009a47d7509f548fc1117bb4839d2ba
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index b340300..839a149 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit b34030013f9af4c40fd79850a85957c842e76595
+Subproject commit 839a14980c188d2f1a62808cb76679c95e970940