Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to d9c6a2202fbe93bdf2c54601a1cabb684301225f
  - Merge "Check variable to determine audit success"
  - Check variable to determine audit success

    Added gateway to check variable to determine audit success due to
    external task not throwing bpmn error.

    Change-Id: I35acbb46ea40d83f2af78e2bf99f07193401a2a6
    Issue-ID: SO-1832
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index a7a8bf3..d9c6a22 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit a7a8bf35644032aba9cd98239edb1b79adeb0a40
+Subproject commit d9c6a2202fbe93bdf2c54601a1cabb684301225f