[U-Boot] [U-Boot, 1/4] efi_loader: only evaluate EFI_EXIT()'s ret once

[Alexander Graf]

> There are a couple spots doing things like:
> 
>    return EFI_EXIT(some_fxn(...));
> 
> which I handn't noticed before.  With addition of printing return value
> in the EFI_EXIT() macro, now the fxn call was getting evaluated twice.
> Which we didn't really want.
> 
> Signed-off-by: Rob Clark <robdclark at gmail.com>

Thanks, applied to efi-next

Alex