Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Add vsperf in reporting"
  - Add vsperf in reporting

    fix some pep8 errors in other projects

    Change-Id: Iea68b0d495f7fbe892ec866fb70b8354ad9ff3c2
    Signed-off-by: Morgan Richomme <morgan.richomme@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index bbc5791..30e1088 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit bbc57916c38601769aff5650f716c9d373795c22
+Subproject commit 30e1088fbb14ebb9f5b8920a5300741410526329