Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "[daisy] Fix the scenario in build-name"
  - [daisy] Fix the scenario in build-name

    The build-name is always *nosdn-nofeature* even in odl jobs.

    Change-Id: Icb5707e2d33ed19e9172227c53f153c453538aff
    Signed-off-by: Alex Yang <yangyang1@zte.com.cn>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 6cd969c..6e8cb04 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 6cd969c1abf6ef04a21430c2acaadbd969838d3e
+Subproject commit 6e8cb044a7e7b0f19680ab5c59afaa23192392af