Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 3a5d08db414be94c0917891027a655912cee4045
  - Fix docker build calls

    Change-Id: Iee89fd3116c883cbd74aacd946e56f88c1033baf
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 92a7463..3a5d08d 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 92a7463ee62e4ae45372441946d57eb43ee5bbf1
+Subproject commit 3a5d08db414be94c0917891027a655912cee4045