Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 5184b28f6ec1170ae035ddd749d8bdf5b2064904
  - Merge "Enhanced List Level flow with backward support"
  - Enhanced List Level flow with backward support

    Modified the e2e service instance flow to
    support both new list types groups along with
    backward compatibility to support old types
    alloted resources, network etc.

    Change-Id: Ie8fc8a4550a90b44736b6b9de058e2a2e187570c
    Issue-ID: SO-1393
    Signed-off-by: sarada prasad sahoo <sarada.prasad.sahoo@huawei.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index bbdb1c4..5184b28 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit bbdb1c45a93194db2712d8c146e263a03737f25c
+Subproject commit 5184b28f6ec1170ae035ddd749d8bdf5b2064904