Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to fb9f282e873a6394f86762f720be9f95d1bf1a24
  - Merge "Define constant in place of repeating literals."
  - Define constant in place of repeating literals.

    Constant is defined and used further instead of using the same literal.

    Issue-ID: SO-1490

    Change-Id: Icabbd5074d8fb72643b8b73eba78d11507eefe1a
    Signed-off-by: h00397475 <hena.choudhury@huawei.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index ccc73d1..fb9f282 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit ccc73d17e36b747cf9158c086adffe522240b5f4
+Subproject commit fb9f282e873a6394f86762f720be9f95d1bf1a24