Update git submodules

* Update docs/submodules/releng from branch 'master'
  - xci-verify: Remove flavor from the scenario name

    Change-Id: Ief47cd60d45f2cc35c74a9e8430d6602210bbba1
    Signed-off-by: Fatih Degirmenci <fdegir@gmail.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index bd73235..cf6708d 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit bd73235d8f53662f5048e8a2e9e79c343619229d
+Subproject commit cf6708d1073f99b611c38b8e8478a12a6a513383