Update git submodules

* Update docs/submodules/releng from branch 'master'
  to e66323f1e715f62820b8d8ad1f917bebacf7c896
  - Bind qemu static files if Hunter

    Hunter pod forces this binds as the kernel is 4.4.0.

    Change-Id: I216a333dfcd3890a126f0ba753e67cab66c96ec7
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 29084cf..e66323f 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 29084cf1b55fc46f7dbd311baebb1307584c9d62
+Subproject commit e66323f1e715f62820b8d8ad1f917bebacf7c896