Reposting patch with word wrap turned off.  Please let me know if
this is still not formated correctly.

This patch adds the Intel ICH7 DID's to the ata_piix.c SATA driver,
ahci.c SATA AHCI driver and quirks.c for ICH7 SATA support.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>