Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Add parser branch file"
  - Add parser branch file

    Change-Id: I404599185f65e0a128985552f430dc53cf47e866
    Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 7adc859..fb96fbe 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 7adc859a96ecbfce421bd4367e98e00f33069d04
+Subproject commit fb96fbe53f53dd044281e944daf6b7f892c11c8d