Add ICH9 detection

Straight from the datasheet, untested.

Corresponding to flashrom svn r215 and coreboot v2 svn r3167.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
1 file changed