hwmon: (it87) Add feature flag indicating that VIN3 is connected to 5V

On IT8622E and IT8628E, VIN3 is expected to be connected to +5V.
Add feature flag and reflect in input label.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2017-02-08 13:51:16 -08:00
commit a9eebd4f28