[patch] Patches for CN400 / EPIA-N / VT8237R

[Harrison, Jon (SELEX GALILEO, UK)]

Dear Corebooters,

Please find attached a number of patches that get the Via
EPIA-N(L)/CN400 to a reasonable level of maturity::

Tested on Via EPIA-NL8000EG with FILO payload booting FC9 (2.6.25
kernel) from SATA HDD.

ACPI is working for PCI interrupt routing, some memory stuff and
Soft-Off.
USB/SATA Working
VGA Console Working
X Working via Onboard AGP

There are a total of four patches::

*********************
pci_ids.patch (apply at src/include level)::
Adds a couple of VT8237R Ids for the USB UHCI/EHCI interfaces.

This is a dependency for all that follows.
*********************
vt8237r.patch (apply at src/southbridge level)::
This uses the CONFIG_EPIA_VT8237R_INIT option to customise SB init for
the EPIA-N
The main differences between the EPIA-N init and what is already there
is that the Via C3 CPU uses the secondary APIC bus rather than FSB for
IOAPIC to LAPIC comms.

There are a few other EPIA MoBo specific tweaks in there too.

This is a dependency for all that follows
*********************
cn400.patch (apply at src/northbridge level)::
Fixes for Vlink, RAM, Performance and Video

This is a dependency for all that follows.
*********************
epia-n.patch (apply at src/motherboard level)::
Adds ACPI/APIC Support to EPIA-N
irq_tables.c is chaged to one generated from an earlier version of
getpir in reponse to issues raised with other ports on the code header
from newer versions of the tool
*********************

I have tried to keep any whitespace/comment only changes to a minimum.

Signed-off-by: Jon Harrison 
SELEX Sensors and Airborne Systems Limited
Registered Office: Sigma House, Christopher Martin Road, Basildon, Essex SS14 3EL
A company registered in England & Wales.  Company no. 02426132
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