Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 2ba1b39b20d4544c035bb3c3c2833993e39714cb
  - Update version of so libs
    
    use newer version of so libs
    
    Issue-ID: SO-2790
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I5a319d8e49f9d004dcc53692c80dd88e203318a1
    
diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 3534e70..2ba1b39 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 3534e7089c955406866bd8e796a8f5e40b08100b
+Subproject commit 2ba1b39b20d4544c035bb3c3c2833993e39714cb