Update git submodules

* Update docs/submodules/releng from branch 'master'
  to a160209d141c36635f10af4db2d03cd97ec8ecdc
  - Fix ansible role output dir

    Change-Id: Ibec138835ba5fa95590ec2b0b654d2615082b287
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 1641bf5..a160209 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 1641bf59bdde4338f6a7d6992eeaa24a84d9f20e
+Subproject commit a160209d141c36635f10af4db2d03cd97ec8ecdc