Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Merge "Update release note for Danube 3.0"
  - Update release note for Danube 3.0

    Change-Id: I7474ad539fd3066010f804747bad2819deb5564b
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>
    (cherry picked from commit 79f16fd2a2cd2ae6e93e0f18aa87f5c1a24354f2)

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 33c2342..dd8aa2e 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 33c2342f6bcac2463946de630666211d95fc7069
+Subproject commit dd8aa2e3a12d30116c96c48474aea9130bda80c2