Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 1ffa4a397fb51acb09273e2b04b47281f7eb4840
  - Merge "Add Pagination and sorting"
  - Add Pagination and sorting
    
    Change-Id: I1374472395a5a2af712c5f06c756c013de08bd27
    Issue-ID: SO-1406
    Signed-off-by: Andrei_Barcovschi <andrei.barcovschi@ericsson.com>
    
diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 9edafb1..1ffa4a3 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 9edafb151611bff4ede7cac785582cc9cd586006
+Subproject commit 1ffa4a397fb51acb09273e2b04b47281f7eb4840