Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 44f67a3cb39f754d2fac11836a32039b1624d131
  - Fix ssh connection

    Change-Id: I25191636aca94c7c7f4d0ceb3b25e7f0aae45ed1
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index bb3faaa..44f67a3 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit bb3faaabeff0be3fe4fe1e1decaa6afdd8dade96
+Subproject commit 44f67a3cb39f754d2fac11836a32039b1624d131