[coreboot] Coreboot doesn't boot on Arima HDAMA rev.G mainboard

[Myles Watson]

> I've build Coreboot for this main board with LIFO with and without VGA
> ROM. But it doesn't get trough the boot process.
It quits really early in device enumeration.  You could put some debugging
statements (printk) in amdk8_scan_chains and friends to see why it quits.  

> Can someone help me?
It worked around rev 4920.  Have you tried multiple revisions?  It's not
getting close to starting FILO or initializing the VGA.

Thanks,
Myles