Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 82e8c3800e2ef4d27353b9085b45b963c51b5a9b
  - Merge "Added null check to prevent call of getVnfResources() method for null vf object"
  - Added null check to prevent call of getVnfResources() method
    for null vf object

    Issue-ID: SO-1841
    Signed-off-by: Oleksandr Moliavko <o.moliavko@samsung.com>
    Change-Id: I0c2ea5de5ed9ab55ad78f58f3a68241e7cb2d064

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index f83362f..82e8c38 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit f83362f93e7a88c34b85048aaf2e1f14c611800f
+Subproject commit 82e8c3800e2ef4d27353b9085b45b963c51b5a9b