Merge tag 'efi-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into...

Pull another handful of EFI fixes for v5.2 from Arnd:

 - Fix a potential crash after kexec on arm64 with GICv3
 - Fix a build warning on x86
 - Stop policing the BGRT feature flags
 - Use a non-blocking version of SetVariable() in the boot control driver