[U-Boot] [U-Boot, v4, 06/14] efi: Add support for a hello world test program

[Alexander Graf]

> It is useful to have a basic sanity check for EFI loader support. Add a
> 'bootefi hello' command which loads HelloWord.efi and runs it under U-Boot.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>

Thanks, applied to efi-next

Alex