Ignore the mode bits when doing RPM verification of files in /boot/efi

Always provide macros for efi_arch and efi_alt_arch (and their _upper
efi

Update to version 3 to try and un-break rawhide composes due to

Rework the macros for better srpm use.

Add efi-filesystem subpackage

Add %{efi_has_alt_arch}

Make an efi-srpm-macros subpackage to pull in so %{efi} works in

Fix the non-efi and non-efi-alt-arch cases, hopefully.

Lots of rpmlint fixups and the like.

First shot at building it.