Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 2f16f752b470be35e18a8a8ffb6861ec84658695
  - Merge "Dump all artifacts as last steps"
  - Dump all artifacts as last steps

    Change-Id: Ia444ec9da0ddf82cdb4c7447d3e27021a36fb210
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index fb0806e..2f16f75 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit fb0806e38744b393e9931421fe2eb6117d586bc3
+Subproject commit 2f16f752b470be35e18a8a8ffb6861ec84658695