[U-Boot] [U-Boot, v4, 03/21] efi_loader: Use compiler constants for image loader

[Alexander Graf]

> The EFI image loader tries to determine which target architecture we're
> working with to only load PE binaries that match.
> 
> So far this has worked based on CONFIG defines, because the target CPU
> was always indicated by a config define. With sandbox however, this is
> not longer true as all sandbox targets only encompass a single CONFIG
> option and so we need to use compiler defines to determine the CPU
> architecture.
> 
> Signed-off-by: Alexander Graf <agraf at suse.de>

Thanks, applied to efi-next

Alex