[LinuxBIOS] Support for recent chipset and powerful desktop CPU

[Segher Boessenkool]

> SPI
> When all vendors move to SPI,

If, not when.  And it's never going to happen, SPI is
just too slow for many applications.

> hopefully most boards will have a
> debugging header or another method to hook into SPI.
> Pro: Fast, soon to be the standard
> Con: No idea what support we need for writing to SPI

Con: SPI as implemented on most boards can only support
a single device (the flash chip).


Segher