[PATCH] ahci: AHCI mode SATA patch for Intel ICH7-M DH

Hello,

This patch adds the Intel ICH7-M DH DID to the ahci.c file for AHCI mode SATA support. This patch was built against the 2.6.13-rc6 kernel. 
If acceptable, please apply.

Thanks,

Jason Gaston

Signed-off-by: Jason Gaston <Jason.d.gaston@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>