Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 87526b32282d2202f10201e897afedb9b8cd5c64
  - Merge "remove duplicated code"
  - remove duplicated code
    
    Issue-ID: SO-2634
    Signed-off-by: Lukasz Muszkieta <lukasz.muszkieta@nokia.com>
    Change-Id: I75bd8d1557f78e396e1d57a03e12eefc3a771798
    
diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index a9893bb..87526b3 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit a9893bb31267caf5d2cb344d50af8c61dc79445c
+Subproject commit 87526b32282d2202f10201e897afedb9b8cd5c64