Update git submodules

* Update docs/submodules/qtip from branch 'stable/danube'
  - bugfix in regex of ssl.

    Change-Id: Ifa5c958bc87d241b6c5c61765d30b0735ea51269
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>
    (cherry picked from commit 416fced9589281019e1646ad3990a9e6a160faf7)

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index c9b9ccb..ff9766e 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit c9b9ccb05b965b4be816c4fd20ea251e1f6150aa
+Subproject commit ff9766e66749513e754acfa8af8d74356be99d78