Fix VIA EPIA-M700 target enough for a first serial boot log.

Fix VIA EPIA-M700 target enough for a first serial boot log.

Add the respective Super I/O config in Config.lb (Winbond W83697HG),
enable COM1 on the board, fix irq_table.c, as well as the PCI
devices listed in Config.lb (based on lspci output).

This has been tested by Jakob Bornecrantz <wallbraker@gmail.com>
on hardware, i.e. there is serial output. It does not yet boot
to a Linux console successfully, more fixing will be needed.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Jakob Bornecrantz <wallbraker@gmail.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4426 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1