1st pass at supporting the altix platform for Xorg.

[Egbert Eich]

Jesse Barnes writes:
 > 
 > Anyone interested in taking a look at this?  I know we're not going to make 
 > the 6.8.2 release, but it would be nice to have it in HEAD.
 > 

I've taken the ticket. I will take a look at it and integrate it with 
the rest of the domain fixes (which are not yet complete as I've discovered).
I may even have an Altrix available for testing.

Cheers,
	Egbert.