Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Rename folders

    * copy -> defaults
    * render -> custom
    * roles -> ansible_roles

    Change-Id: Ia96214691873f3bd8e6c5f9f433292fd912ac46e
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index c480cf2..bb20819 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit c480cf222cf50e131f9160a39a7f954946b3353d
+Subproject commit bb208192872c841cafdb27769f3680a56b18fa65