Update git submodules

* Update docs/submodules/releng from branch 'master'
  to f1cced543570aaa54f0b5d713b4a9b92c3754c79
  - Typo (french)

    I will allow running refstack_platform vs Airship.

    Change-Id: I80fdefbd8e69b4df51da883dbc173dffdd8536d6
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 969e537..f1cced5 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 969e5372c9ce58699c6e8cbea53f7b3f3c0e0195
+Subproject commit f1cced543570aaa54f0b5d713b4a9b92c3754c79