Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Remove functest-parser"
  - Remove functest-parser

    Parser should be fixed and then added to functest-smoke.

    Change-Id: I4f9e6fa736589b1ed01feae580df18c93de168cd
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index a525952..6dd3fcc 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit a525952002800dfa4093f9c5d2e2ef178f91ae03
+Subproject commit 6dd3fcc928d7540c9d725b0bd8b3c72b863eb819