[coreboot] [PATCH]clean up bootblocksize handling in cbfstool, kconfig

[Myles Watson]

>> This doesn't seem like it should be a config option any more.
>>
>
> Ideally, it will become some automatic "as small as possible" configuration.
> Unfortunately ld doesn't allow to align everything to an upper boundary, so
> this requires the link-twice trick or so.
> So for now, I'd like to keep it there - people might want to tweak it. As an
> example (which made me look into this in the first place), someone (agaran)
> on #coreboot wanted to use a smaller bootblock. Until this automatically
> happens, we'll have to allow this to change.
Sounds good.

> kconfig is just as good as any place in my opinion.
Yes.

Thanks,
Myles