Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 5bd0359742f4850a9599986f7fb2faa304d21e58
  - Merge "Patch ansible role for docker creds"
  - Patch ansible role for docker creds

    Change-Id: I29fdd1d98ee24cfe4ef33235af1b6c9cbadf816b
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 3d71ac6..5bd0359 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 3d71ac673616e3267b036126ae8794dbac989b8f
+Subproject commit 5bd0359742f4850a9599986f7fb2faa304d21e58