Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Merge "rename output file to sample"
  - rename output file to sample

    Change-Id: I9c62114ebd6c2016fa177565a4413138cafd573b
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 12b200e..dd5e0ce 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 12b200e2c566bb0e3696ecea0d5f4fae9c74ffec
+Subproject commit dd5e0ce2bd1c6be943bbb9eff3698d92c0c812ad