ural_bbp_read
static uint8_t ural_bbp_read(struct ural_softc *, uint8_t);
tmp = ural_bbp_read(sc, 70);
if (ural_bbp_read(sc, RAL_BBP_VERSION) != 0)
tx = ural_bbp_read(sc, RAL_BBP_TX) & ~RAL_BBP_ANTMASK;
rx = ural_bbp_read(sc, RAL_BBP_RX) & ~RAL_BBP_ANTMASK;