Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Merge "bugfix about sut"
  - bugfix about sut

    1. currently experimental job only runs against vnf
    2. bugfix: for qtip  Renaming a container with the
    same name as its current name
    3. update quickstart.sh usage

    Change-Id: I363fcfdb4199b3ddc408fdf3c54b11cdf62fa728
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index ce37a4f..8890340 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit ce37a4fa011c253465f6485dbd05f2c2e99f5109
+Subproject commit 8890340e3ef985f937d4f9f3982ddb110174303c