Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 86c09b9e23e7f41019eb4b70a0f95e6f7dbeb7bb
  - SDNHandler callback correlation issue.

    SDNHandler callback correlation issue. Should not go back to waiting
    for callback when final_indicator=Y is receibed in callback. Raise an
    error when responseCode in callback mesage is not 200.

    Change-Id: Ia55ab5a9bafdfe877a1221b67d5f3258039a3900
    Issue-ID: SO-1761
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index e757e80..86c09b9 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit e757e801c665a1758cf4c976b24df13adda38b2b
+Subproject commit 86c09b9e23e7f41019eb4b70a0f95e6f7dbeb7bb