[RFC] efi_loader: improve firmware capsule authentication

[Ilias Apalodimas]

Akashi-san

[...]
> 7) Pytest is broken
>    Due to your and Ilias' recent patches, existing pytests for
>    secure boot as well as capsule update are now broken.
>    I'm not sure why you have not yet noticed.
>    Presumably, Travis CI now skips those tests?

I can have a look on that. Any idea which part is broken exactly?
the efidebug command just added an option for 'efidebug boot add'.  Did I
forget to change any of the python scripts?

Thanks
/Ilias
> 
> If I have some time in the future, I will address them.
> But Sughosh can do as well.
> 
> -Takahiro Akashi