Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "simplify unit tests implementation of update scenario"
  - simplify unit tests implementation of update scenario
    
    1. delete useless input arguments
    2. update on and assert with self.req_d directly
       delete intermediate variable 'scenario'
    
    Change-Id: I3eda1df4893c890bb23ccf05b45ce2de5fa9dd93
    Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>
    

1 files changed, 0 insertions, 0 deletions

diff --git a/docs/submodules/releng b/docs/submodules/releng
-Subproject 0889958d6eaa4eff43df7fd4b7c34f16de41fc0
+Subproject a45e3e956f9a23ec963318f56575974e1a755c9