Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 47359966fa3f4ce9c4a7a85900b21dc53827889b
  - Fix typos

    Change-Id: I2543b46eba626235b410e840f72b90a2c43649f7
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index ef81953..4735996 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit ef819537106a9786e9b87029c37eaf0acd0c2b17
+Subproject commit 47359966fa3f4ce9c4a7a85900b21dc53827889b