Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 1f8531ddb54b133ed0b25628d43ec698caa9b087
  - Refactored SDNCAdapterUtils (groovy)

    Standardized usage of MsoUtils class in all methods of SDNCAdapterUtils.
    Removed AbstractServiceTaskProcessor from constructor parameter.

    Change-Id: I45263aefc980163a927d8a6dce886e299691e025
    Issue-ID: SO-1700
    Signed-off-by: Witold Ficio Kopel <w.kopel@samsung.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 203d188..1f8531d 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 203d188b6f5274f1a97565b4d8474297d8a2baab
+Subproject commit 1f8531ddb54b133ed0b25628d43ec698caa9b087