pci_bus_devorder
n = pci_bus_devorder(sc->sc_pc, sc->sc_bus, devs, __arraycount(devs));
__strict_weak_alias(pci_bus_devorder, default_pci_bus_devorder);
n = pci_bus_devorder(pb->pc, pb->busno, devs, __arraycount(devs));
int pci_bus_devorder(pci_chipset_tag_t, int, uint8_t *, int);