Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 3613d4385928e96a06d64ae0bc4b62f065c9f827
  - Merge "Run tempest_full by itself"
  - Run tempest_full by itself

    Change-Id: Ie842ab6a62e555afff4934aa2ae8d67441c64bc0
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index a39dcba..3613d43 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit a39dcbab37a210cf12b2b1e4aa1d1636c89fd292
+Subproject commit 3613d4385928e96a06d64ae0bc4b62f065c9f827