- Move lm_readreg/lm_writereg into the front-ends. Add/use function pointers
in the softc.
- Add a bank select function pointer to the softc and provide a generic
version. WinBond chips accessed over serial bus present three addresses,
two of which are used to access bank 1/2 registers.
- Mark TSENS2/3 sensor data as invalid if the the corresponding bank select
fails.
such as the LM78 and VT82C686A (and eventually ACPI). Multiple
sensor devices can be hooked registered with `sysmon', and eventually
sysmon will also handle hardware (and software) watchdog timers.
Convert the `lm' and `viaenv' drivers to the new interface.
