add the ATI SB700 SATA controller device id to AHCI pci table

Add the device ID to AHCI pci table for ATI SB700 SATA controller, the
subsequent chipset of SB600.

Signed-off-by: henry su<henry.su@amd.com>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>