Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Merge "update user docs"
  - update user docs

    Change-Id: I7a7a1343c457fe1c3063dfeafa079154d495eac0
    Signed-off-by: wu.zhihui <wu.zhihui1@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 6189a88..93b0998 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 6189a88cdb5fb59bbb5933f22567fe1dda044f9f
+Subproject commit 93b09986417405c7d16d26f947f57b8dc9af3196