Update git submodules

* Update docs/submodules/qtip from branch 'stable/fraser'
  - Fraser release notes

    Change-Id: If619c1a8c2154f44cab1f9fe65ee9cf3b21949ac
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>
    (cherry picked from commit ae6e5c9b016f9a2f8ef78f364904c6f0f577264f)

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 2097792..2c1f682 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 2097792fbfdca40c0a34c277dfac523911d58909
+Subproject commit 2c1f682a9c7216a159f2d6c5b710eaf9bb7ccebe