Updated git submodules

Project: so master 88a47679a783c620683d283b20b04fcdc97b4c8f

add DoUpdateE2EServiceInstanceRollback.bpmn

Change-Id: Idaa55084f5ecb0dd3636c232cebc14fa5f0641d7
Issue-ID: SO-419
Signed-off-by: Yulian Han <elaine.hanyulian@huawei.com>


diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 61d519d..88a4767 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 61d519d6b1aa050d33ce178de505c48206d37231
+Subproject commit 88a47679a783c620683d283b20b04fcdc97b4c8f