Update Kontron board

Update Kontron board

 - use new features of the ich7 update
 - move rambase above 1M to avoid memory trashing through SMM relocation
 - enable superio HWM

Update ICH7 driver

 - minor smi cosmetics (in progress)
 - add real ac97 driver
 - add real azalia driver
 - fix some interrupt issues
 - fix some sata issues
 - include Patrick's fix for _lpc.c

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3886 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1