Update git submodules

Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge changes from topics 'decouple_verify_automate', 'simplify_automate_jjb'

    * changes:
      decouple testresults verify job from automate job
      simplify automate jjb definition using releng_macro

  - decouple testresults verify job from automate job

    Change-Id: I45f01dbeb3ed9c1d3efe495f57bcbbfbb0d0b3e2
    Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>
  - simplify automate jjb definition using releng_macro

    1. leveraging macro gerrit-trigger-patchset-created
    2. leveraging macro gerrit-trigger-change-merged
    3. rename automate to testresults-automate

    Change-Id: I3dfee8dad28db7e818b912fed6d65b60b3f96391
    Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>