Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to cdf30280fcb6c682ce5a0b1d9ae66fc8ea4c4069
  - Merge "Add model info on CHANGEASSIGN req to SDNC"
  - Add model info on CHANGEASSIGN req to SDNC
    
    Add model info on CHANGEASSIGN req to SDNC
    
    Issue-ID: SO-2397
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: Ieaf61e065273581512d797055dd7aef6f2a942d7
    
diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 3101834..cdf3028 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 3101834b333d45277cc6c635c61b102f0d18442c
+Subproject commit cdf30280fcb6c682ce5a0b1d9ae66fc8ea4c4069