Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 8195d32a2056fcd875001c4e569242506020940a
  - improve vf module logic
    
    remove vf module from list when calculating index
    
    Change-Id: I4b88a679eb79bfac6f25a26b10671cca4cf3c48d
    Issue-ID: SO-1476
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>
    
diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index d109233..8195d32 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit d109233f1a626d5bbb299209ff94dcee3aac4693
+Subproject commit 8195d32a2056fcd875001c4e569242506020940a