Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Merge "bugfix: regex node role"
  - bugfix: regex node role

    In NEC pod based with apex, node role is incorrectly regexed.

    Change-Id: I90d5eb92e6eec4abf850137f50ffc4df02257615
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 1928bf7..aaa2028 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 1928bf717f9ccd24a34ff749ab0fcf7c157b50ec
+Subproject commit aaa20289a7089066d2ef751c3c08e8fa7c47fb9e