Update git submodules

* Update docs/submodules/ccsdk/distribution.git from branch 'master'
  to 1b656572c8257d9e137ca30487fafa3ce0bc83a4
  - Roll version to recreate artifacts
    
    Roll version to 0.5.1-SNAPSHOT to recreate El Alto early drop artifacts
    
    Change-Id: Ibfbad4c9dcf3f2158c709e12d16b315b9a3693de
    Issue-ID: CCSDK-1563
    Signed-off-by: Timoney, Dan (dt5972) <dtimoney@att.com>
    
diff --git a/docs/submodules/ccsdk/distribution.git b/docs/submodules/ccsdk/distribution.git
index 85eb22e..1b65657 160000
--- a/docs/submodules/ccsdk/distribution.git
+++ b/docs/submodules/ccsdk/distribution.git
@@ -1 +1 @@
-Subproject commit 85eb22e9870c9fe33f42880a883012d845e6f2ad
+Subproject commit 1b656572c8257d9e137ca30487fafa3ce0bc83a4