Update git submodules

* Update docs/submodules/ccsdk/distribution.git from branch 'master'
  to ef127a5f590c092e5020d8ecd6cf10eaa8329ddc
  - migrate ansible server python scripts to python3

    python3 is required for R6 release

    Change-Id: I94decf6ead79119f90f5fa70578b4cea8a3e58b7
    Issue-ID: CCSDK-1893
    Signed-off-by: Taka Cho <takamune.cho@att.com>

diff --git a/docs/submodules/ccsdk/distribution.git b/docs/submodules/ccsdk/distribution.git
index 2041397..ef127a5 160000 (submodule)
--- a/docs/submodules/ccsdk/distribution.git
+++ b/docs/submodules/ccsdk/distribution.git
@@ -1 +1 @@
-Subproject commit 2041397b3c95396e5c1ee04c21daacc4ccf3fa08
+Subproject commit ef127a5f590c092e5020d8ecd6cf10eaa8329ddc