axge_read_cmd_2
static uint16_t axge_read_cmd_2(struct axge_softc *, uint8_t, uint16_t,
val = axge_read_cmd_2(sc, AXGE_ACCESS_PHY, reg, phy);
val = axge_read_cmd_2(sc, AXGE_ACCESS_MAC, 2, AXGE_EPPRCR);
val = axge_read_cmd_2(sc, AXGE_ACCESS_MAC, 2, AXGE_MSR);