Update git submodules

* Update docs/submodules/releng from branch 'master'
  - role based access control and result upload

    1. add role for user
    2. user can upload test results

    Change-Id: I1c5370be7818edb0394f05e8b81f975deb98b286
    Signed-off-by: grakiss <grakiss.wanglei@huawei.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 5b77ae7..20826c0 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 5b77ae789540f805199831427930476c9579916b
+Subproject commit 20826c00015567244153ab2e7b39452600fd38c7