Update git submodules

* Update docs/submodules/releng from branch 'master'
  to e0cd9779935689926cb3c9ff0575c9143dda0767
  - Rename opnfv-lint to releng-it

    Else it's execluded from Jenkins views

    Change-Id: I1b9c47f0c51c287bca4218c6549a6a07032ecd28
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 1d79ca6..e0cd977 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 1d79ca66519614891843e993c5ea1b7502fc261c
+Subproject commit e0cd9779935689926cb3c9ff0575c9143dda0767