fwphy_wrdata
static uint32_t fwphy_wrdata ( struct fwohci_softc *, uint32_t, uint32_t);
fun = fwphy_wrdata(sc, FW_PHY_IBR_REG, fun);
fun = fwphy_wrdata(sc, FW_PHY_ISBR_REG, fun);
reg->data = fwphy_wrdata(fc, reg->addr, reg->data);
reg2 = fwphy_wrdata(sc, 5, reg2);
fwphy_wrdata(sc, 4, reg);