Update git submodules

* Update docs/submodules/qtip from branch 'stable/fraser'
  - update release note index

    Change-Id: I765a21c51b0f77d1925cd41ae7e4edd154ef3870
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>
    (cherry picked from commit 543f198948832ee912c160483b9c85ed960c33c7)

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 873817c..02a2193 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 873817cb48cb796bdbc4075299e92488cdee3f0e
+Subproject commit 02a219341cbf27f51e5b724c5fd97f3cd76c0d79