Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 78d65f8c36d3ccaf6a0e940b10ff87a8fedf51bd
  - Merge "Add 2 missing sudo calls"
  - Add 2 missing sudo calls

    Change-Id: I1cf6957c6c8fe46ff9f4f528cda07bf9af789b1c
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 03da9f2..78d65f8 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 03da9f28e277d9ea63ec419f54568579c3351ec3
+Subproject commit 78d65f8c36d3ccaf6a0e940b10ff87a8fedf51bd