MFC r289677: Fix a ton of speelling errors
MFC r285671:uefisign(8) ships with 10.2.Sponsored by: The FreeBSD Foundation
MFC r283141:Remove the warning about invalid PE checksum; apparently nothingcares about those checksums anyway.Sponsored by: The FreeBSD Foundation
MFC r279315:Add uefisign(8), UEFI Secure Boot signing utility.Relnotes: yesSponsored by: The FreeBSD Foundation
Add uefisign(8), UEFI Secure Boot signing utility.MFC after: 1 monthSponsored by: The FreeBSD Foundation