ata_std_ports — initialize ioaddr with standard port offsets.
IO address structure to be initialized
Utility function which initializes data_addr, error_addr, feature_addr, nsect_addr, lbal_addr, lbam_addr, lbah_addr, device_addr, status_addr, and command_addr to standard offsets relative to cmd_addr.
Does not set ctl_addr, altstatus_addr, bmdma_addr, or scr_addr.