Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Add release notes in releases/fraser/functest.yaml

    Change-Id: I0384563e5e663ea485626562df5ee49815b95817
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 179812a..1563b3d 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 179812a5ae89a8221643f8e21be110d6d38c52a2
+Subproject commit 1563b3dbdd3535b0a44dc98c972da2a8a27c3d3f