Update git submodules

* Update docs/submodules/releng from branch 'master'
  - xci: Fix scenario name extraction

    Change-Id: Ifcea3d364b73d0d19d46aaf2bd2210ec6440f383
    Signed-off-by: Fatih Degirmenci <fdegir@gmail.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index c231d92..a81d666 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit c231d925338f6950f6da88d0774e7720450d2a78
+Subproject commit a81d666d1b9fe7afdc607caf7677e1e0082c9327