130cfcf3fc
This will enable further automation of HTTP UEFI boot loader support by providing a specific option for providing the boot URL to FreeBSD. Documented in: https://www.iana.org/assignments/bootp-dhcp-parameters/bootp-dhcp-parameters.xhtml https://kb.isc.org/docs/isc-dhcp-44-manual-pages-dhcp-options https://tools.ietf.org/html/rfc3679 Approved by: emaste MFC after: 2 weeks Sponsored by: SkunkWerks, GmbH Differential Revision: https://reviews.freebsd.org/D22475