[PATCH] fix sata_sil compilation on non-DMI platforms

[Alan Cox]

> Ideally the DMI subsystem should be provided wrappers for platforms 
> without DMI, rendering patches like this unnecessary.

Interesting question - is the PPC OpenFirmware machine information
mappable onto the DMI space ? or the various static bits of name
information in the various ARM and the like machine descriptions.

If not which bits are similar enough we could replace dmi at the high
level with an abstract interface for system/vendor/... that was ?

(