notify a bus that the pass level has been changed
Fn BUS_NEW_PASS device_t dev
method is called on each bus device to rescan the device tree when the pass
level has been changed.
This method is responsible for invoking
on child bus devices to propagate the rescan to child devices.
It is also responsible for reprobing any unattached child devices and
allowing drivers for the current pass to identify new children.
A default implementation is provided by