Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 8d77d8544d88dfb91e9287b1620212cc9821bd54
  - removed extra set line and added a test
    
    removed extra set line and added a test
    
    Issue-ID: SO-2612
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I45022ed722368192823f6cad66e8bd6649cc0719
    
diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 72ee130..8d77d85 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 72ee130503a9ff4ddb92a5797d091a1b69bd004a
+Subproject commit 8d77d8544d88dfb91e9287b1620212cc9821bd54