* Update docs/submodules/sfc from branch 'master'
- Corrected a typo on OpenDaylight and made the spelling consistent. Also used the SPDX shorthand in license header.
Change-Id: If91a4ece37bd68a9e7ce413157fd462e88fcc81c Signed-off-by: Ray Paik <rpaik@linuxfoundation.org>