aibs_attach_sif
err = aibs_attach_sif(sc, AIBS_SENS_TYPE_VOLT);
err = aibs_attach_sif(sc, AIBS_SENS_TYPE_TEMP);
err = aibs_attach_sif(sc, AIBS_SENS_TYPE_FAN);
static int aibs_attach_sif(struct aibs_softc *, int);