[U-Boot] [U-Boot, v4, 11/21] efi_loader: Introduce ms abi vararg helpers

[Alexander Graf]

> Varargs differ between sysv and ms abi. On x86_64 we have to follow the ms
> abi though, so we also need to make sure we use x86_64 varargs helpers.
> 
> This patch introduces generic efi vararg helpers that adhere to the
> respective EFI ABI. That way we can deal with them properly from efi
> loader code and properly interpret variable arguments.
> 
> This fixes the InstallMultipleProtocolInterfaces tests in the efi selftests
> on x86_64 for me.
> 
> Signed-off-by: Alexander Graf <agraf at suse.de>

Thanks, applied to efi-next

Alex