[COMMIT] EPIA irq fixed, thanks to Kevin Hester

[Andrew Ip]

Finally...  We have got the irq assignment working.
Here are the checkins

cpu/c3/premtrr.inc
lib/newpci.c
- added added pci_level_irq and pci_assign_irqs
lib/vsprintf.c
southbridge/via/vt8231/ideconfig.inc
mainboard/via/epia/Config
mainboard/via/epia/irq_tables.c
mainboard/via/epia/mainboard.c
northbridge/via/vt694/northbridge.c
southbridge/via/vt8231/southbridge.c
superio/via/vt8231/setup_ethernet.inc

However there are still some minor problems, eg
1. linuxbios willl hang at pci scanning devfn > 0xa8 when rebooting
2. linux might hange when pci scanning devfn > 0xa8
That could be a hardware problem according to Ron.
3. pirq semi-working.  Although irq is being assigned correctly, device doesn't
   work.  Luckily we can force irq.

Kevin still has some extra stuffs to add, eg, non-block console display.  I
will work on it later.

Thanks Kevin and Ron for all the help.

Happy hacking.

-Andrew

-- 
Andrew Ip
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