Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 2aa56678b48362d87ae1eadfb9ab20737f83c3c6
  - Merge "Add SO Populate Activity BB Data in Catalog DB"
  - Add SO Populate Activity BB Data in Catalog DB

    Added  SO Populate Activity BB Data in Catalog DB.
    Populated more data for lookup tables.
    Created a alter script to make the id as auto increment.
    Issue-ID: SO-1724
    Signed-off-by: Bonkur, Venkat (vb8416) <vb8416@att.com>
    Change-Id: I281a2a8abe4457fa76553615efccff628c3f6623

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index fb4b7ea..2aa5667 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit fb4b7ea522f859eeb8813f30004dd7c1fb7b3409
+Subproject commit 2aa56678b48362d87ae1eadfb9ab20737f83c3c6