ATA driver patch for IT8211F

Hi all,

Attached is the patch for ITE IT8211F ATA controller. IT8211F is
compatible with IT8212F except the raid function. It is often used on
mainboards in addition to the only parallel ATA channel of ICH6/ICH7,
especially Asus ones. However I do not have any hardware available to
test. Anyone has such mainboards or addon cards please test this patch
to help add support for it.

Thanks,
Jia-Shiun