Update git submodules

Update git submodules

* Update docs/submodules/ccsdk/distribution.git from branch 'master'
  to 39e21227338d7f41d673310b20786a9573e7089f
  - Merge "Fix parameter convertion for JSON array or object in LCM API payload"
  - Fix parameter convertion for JSON array or object in LCM API payload

    This patch for Ansible server can dump the JSON array or object in LCM API
    payload to a correct format of string, and the string can be reloaded
    to array or object.

    Change-Id: Ia5a5844ecaa3869acaeabd695afd41c113e63690
    Issue-ID: CCSDK-2144
    Signed-off-by: Enbo Wang <wangenbo@huawei.com>