Update git submodules

* Update docs/submodules/qtip from branch 'stable/fraser'
  - delete the code which will not included in Fraser

    - legacy code
    - the function of network test isn't completed.
    - outdated documents

    Change-Id: Id59d35f6985d876ef09aef0845dde38ae19b589a
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>
    (cherry picked from commit b34030013f9af4c40fd79850a85957c842e76595)

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index b340300..c543277 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit b34030013f9af4c40fd79850a85957c842e76595
+Subproject commit c543277815ab0fc01410a55e756e3e739d0f8e9a