Update git submodules

Update git submodules

* Update docs/submodules/parser from branch 'master'
  - Merge "Add import file with suffix of yml testcases"
  - Add import file with suffix of yml testcases

    Add import file with suffix of yml testcases:
    1.normal file with suffix of yml;
    2.import file with suffix of yml.

    JIRA: PARSER-144

    Change-Id: I24368f7248e782df2e57202a3129c677e1bf068f
    Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>