Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
Rename recently added USB serial driver.Suggested by: YongHyeon PYUNMFC after: 7 days
Add support for new USB serial driver.Submitted by: Lev Serebryakov, lev @MFC after: 14 days