uaq_read_mem
int uaq_read_mem(struct uaq_softc *, uint8_t, uint16_t, uint16_t,
uaq_read_mem(sc, cmd, reg, index, &val, 1);
uaq_read_mem(sc, cmd, reg, index, &val, 2);
uaq_read_mem(sc, cmd, reg, index, &val, 4);
uaq_read_mem(sc, UAQ_CMD_FLASH_PARAM, 0, 0, &sc->sc_ac.ac_enaddr,