Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Add missing description in compute QPI spec

    Change-Id: Ia8bedf1a39afc9fe71984f2f5f1a487512008b5d
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 45111c0..ed60be0 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 45111c01f62328e20992846f279a41f8d1f7d99e
+Subproject commit ed60be00eaecb06a36117c3b19aa43468f75d370