kern/97624: enable SATA RAID on ASUS N4L-VM DH (ICH7M-DH)

[Yoichi Nakayama]

I got following trace with SMP kernel:

Stopped at      generic_bcopy+9x1a:      repe movsl      (%esi),%es:(%edi)
db> trace
Tracing pid 0 tid 0 td 0xc0993300
generic_bcopy(c4ed7380,c097bf20) at generic_bcopy+0x1a
ata_raid_read_metadata(c4ed7380,c4ed7380,c0c20c84,c066c96c,c4ed7380) at ata_raid_read_metadata+0x18b
ata_raid_subdisk_attach(c4ed7380) at ata_raid_subdisk_attach+0x33
device_attach(c4ed7380,c4ed7480,c4ed7380,c4d81180,0) at device_attach+0x58
device_probe_and_attach(c4ed7380) at device_probe_and_attach+0xc4
bus_generic_attach(c4ed7780,c4ed7780,c0893bcd,e,c4ed7480) at bus_generic_attach+0x16
ad_attach(c4ed7780) at ad_attach+0x2c8
device_attach(c4ed7780,c0c20d28,c4ed7780,0,c4ec9000) at device_attach+0x58
device_probe_and_attach(c4ed7780) at device_probe_and_attach+0xc4
bus_generic_attach(c4d5e800,c4d5e800,ffffffff,e,c4ed7780) at bus_generic_attach+0x16
ata_identify(c4d5e800) at ata_identify+0x1c8
ata_boot_attach(0) at ata_boot_attach+0x5a
run_interrupt_driven_config_hooks(0,c1ec00,c1e000,0,c0447455) at run_interrupt_driven_config_hooks+0x18
riven_config_hooks+0x18
mi_startup() at mi_startup+0x96
begin() at begin+0x2c