Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to ff8b9a8873dcfca47696c43e36795e9635590b7a
  - Merge "store openstack request status in requestdb"
  - store openstack request status in requestdb

    Openstack request status now stored in request db

    Change-Id: Ida8f4f613d406c2b834ab190e01d5aaf2f16dd3d
    Issue-ID: SO-1867
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 6a4c6a9..ff8b9a8 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 6a4c6a980a5998c996e3ebecd340eb438bba5bc8
+Subproject commit ff8b9a8873dcfca47696c43e36795e9635590b7a