* Update docs/submodules/so.git from branch 'master'
to 04e0f4e870c7e45a3a1f8f2c56a758bf3a635c2e
- Merge "SO API to support custom PNF workflow"
- SO API to support custom PNF workflow
Change-Id: Idaa55084f5ecb0dd3636c232cebc14fa5f064418
Issue-ID: SO-2071 Signed-off-by: Yulian Han <elaine.hanyulian@huawei.com>