Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 1c0f4ba6bd71bde2065883828716c413807a0e20
  - Bypass console check

    It allows working on tempest testcase till nova console is fixed in
    Airship.

    Change-Id: Idc3e4750409fc84e45a9bb8c424a4fd4962d1b05
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index e9cce13..1c0f4ba 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit e9cce1399da6a76065f6573a3099c3bcfefee068
+Subproject commit 1c0f4ba6bd71bde2065883828716c413807a0e20