* Update docs/submodules/functest from branch 'master'
- Merge "Add/Update tempest.conf via a specific file"
- Add/Update tempest.conf via a specific file
Provides a convenient way to configure all params which users required.
JIRA: FUNCTEST-860
Change-Id: Iadfb704285f94530e1023ee780138f22dd672d33 Signed-off-by: Linda Wang <wangwulin@huawei.com>