This update does add diag and debug capabilities to interpret the efi
variables, configuration and protocols (lsefi).
The side effect is that we add/update bunch of related headers.
These were found during bring-up on a new arm64 platform and in an
amd64 VM.
Submitted by: Arshan Khanifar <arshankhanifar_gmail.com>
Reviewed by: imp
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D14036