Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 37e0199b5496f7966486e2d102ad173918afb318
  - Merge "Remove all debug data"
  - Remove all debug data

    Change-Id: I74a5795c831865ed0cee8b4e816a37404b479caa
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 6710296..37e0199 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 6710296f066592f6497afd51b7359cc4f73ba699
+Subproject commit 37e0199b5496f7966486e2d102ad173918afb318