acx_read_eeprom
int acx_read_eeprom(struct acx_softc *, uint32_t, uint8_t *);
error = acx_read_eeprom(sc, i, &val);
error = acx_read_eeprom(sc, ACX_EE_VERSION_OFS, &sc->sc_eeprom_ver);
error = acx_read_eeprom(sc, sc->chip_ee_eaddr_ofs - i,