Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 45b1ab39d85dcda240fbacc538a21ee667d3eaf9
  - Install iproute before calling ansible

    Change-Id: Ic246726afcf424fe7da26901e7f9ac9574983051
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 87bb22d..45b1ab3 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 87bb22d2cbcf26915fde779a59cd4e9d5eb9912c
+Subproject commit 45b1ab39d85dcda240fbacc538a21ee667d3eaf9