Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Fix script path error

    Change-Id: I4b0e278d25604afa2a7fae43bf95554dfa5d21ad
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index fc71d3d..8dd33d1 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit fc71d3d7e3927b4ca2cbd657c140cf43c90c49d3
+Subproject commit 8dd33d149435611d9730a09933f040b15764c503