Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Merge "No need to list the other nodes system information"
  - No need to list the other nodes system information

    Change-Id: Ia1d4da97ac30c767446be964f33a6edb1af756e4
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index cb7725e..2788bad 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit cb7725e8a3eee7ffaa9c9201a05ca836e4df9d39
+Subproject commit 2788bad0dab8a754ec17e7898dd2d508184b4902