Update git submodules

* Update docs/submodules/cli.git from branch 'master'
  to a52f00e9d0af1181d3e9c87508789fb4ced022f5
  - Minor bug fixes in CLI
    
    - Added USER_ID header for SDC
    - Changed multicloud url
    - Added samples for commands
    - Fixed Bug in service-create command
    
    Signed-off-by: Itohan Ukponmwan <itohan.ukponmwan@intel.com>
    Issue-ID: CLI-229
    Change-Id: I9ec94d6dd390d2b5bf059c2f8a82c67b65fbeb34
    
diff --git a/docs/submodules/cli.git b/docs/submodules/cli.git
index 1d4b837..a52f00e 160000
--- a/docs/submodules/cli.git
+++ b/docs/submodules/cli.git
@@ -1 +1 @@
-Subproject commit 1d4b83754009114523cae90c759daffa9188eb3e
+Subproject commit a52f00e9d0af1181d3e9c87508789fb4ced022f5