Update git submodules

* Update docs/submodules/releng from branch 'master'
  - bugfix: extra fields are added when push results

    extra fields like 'carriers' & 'miss_checks' 'db_key'
    are added when pushing result to TestDB

    Change-Id: Ic8d0751bca14b3b3260df42c0f4f07456c9d5e05
    Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 076e3ee..1261ce7 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 076e3ee6a990acc801554edfc63798dc42c32707
+Subproject commit 1261ce7747b463a0f70d228567be4829d43d148f