Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Revert "Merge workspace files into one folder"

    This reverts commit e6da6749be6e5143855a48c866de2cd03789d2e8.

    Change-Id: Ieac19a1526e7a5515923b8258079af3a1faaa56b
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index aaa2028..7a03b70 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit aaa20289a7089066d2ef751c3c08e8fa7c47fb9e
+Subproject commit 7a03b70c783828c7c17b4019c2cda295d31cf43f