Update git submodules

* Update docs/submodules/qtip from branch 'stable/euphrates'
  - Lookup in enviroment for OPNFV release name

    this is used in testapi reporting

    Change-Id: If0a2ef1d406544f5c8648fb653ff6c2334abf5e8
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>
    (cherry picked from commit 3d5a7186f544797cc788c9a052b370aa072ad07d)

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 30e5437..bd3f02f 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 30e54370f3b2326234daa94bc14d9eeb9610cdbb
+Subproject commit bd3f02f681a8fb2f6ea0fb194fe9cd398bffb61b