Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 247c4a5b3e0c0ff9401785cf7e4c2070a7d4b928
  - Merge "Change variable name-comply with regex"
  - Change variable name-comply with regex

    Change variable name-comply with regex asdc controller and bpmn classes

    Issue-ID: SO-2187

    Signed-off-by: sindhu3672 <arcot.sindhuri@huawei.com>
    Change-Id: Ib1e16b2df9c620f2f225424e003226996fbe99e1

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 5b2bafa..247c4a5 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 5b2bafa99ce79ef6b05ea9a5e9f5b1853bfbba59
+Subproject commit 247c4a5b3e0c0ff9401785cf7e4c2070a7d4b928