Update git submodules

* Update docs/submodules/releng from branch 'master'
  to f4076b4977f94f636e4f65d026ee2d84b2c8f167
  - Leverage ansible distribution

    Change-Id: I26d8a7841a4e51084e2ef58d2a1781e7fa1eb4db
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 29bf5ff..f4076b4 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 29bf5ff331ebb6f59f15d87027fd0d52a456018e
+Subproject commit f4076b4977f94f636e4f65d026ee2d84b2c8f167