Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Fix warning on missing ansible hosts file

    Change-Id: I9d6fdb7a55e8528ec1cd29338bbb24e6ca92d585
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 06915dd..3f3f778 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 06915dd2b78fb2aaef842fb7105b164fc3c67413
+Subproject commit 3f3f77828e1fa28e56a8cb91b125413763f6419c