hwmon: (nct6775) Add support for 18 IN readings for nct6799

* Add additional VIN/IN_MIN/IN_MAX register values
* Separate ALARM/BEEP bits for nct6799
* Update scaling factors for nct6799

Registers/alarms match for NCT6796D-S and NCT6799D-R
Tested on NCT6799D-R for new IN/MIN/MAX and ALARMS

Signed-off-by: Ahmad Khalifa <ahmad@khalifa.ws>
Link: https://lore.kernel.org/r/20230719224142.411237-1-ahmad@khalifa.ws


Signed-off-by: Guenter Roeck <linux@roeck-us.net>