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>

diff --git a/docs/submodules/ccsdk/distribution.git b/docs/submodules/ccsdk/distribution.git
index 5007ad3..39e2122 160000 (submodule)
--- a/docs/submodules/ccsdk/distribution.git
+++ b/docs/submodules/ccsdk/distribution.git
@@ -1 +1 @@
-Subproject commit 5007ad36c29ec122c1098dee36c5869c760e876d
+Subproject commit 39e21227338d7f41d673310b20786a9573e7089f