Update git submodules

* Update docs/submodules/releng from branch 'master'
  to b3ef3c63dd01b47a9c8ac4be1e6eddf18a9f8cfd
  - Merge "Fix binary operations"
  - Fix binary operations

    Change-Id: Ifc977537daf37048d63310ae6a12e84262d76c35
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 7d030e0..b3ef3c6 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 7d030e0e8f90fb50e3ac25364991fa5ec9a62848
+Subproject commit b3ef3c63dd01b47a9c8ac4be1e6eddf18a9f8cfd