hwmon: (f71882fg) Add F81966 support

This adds hardware monitor support the Fintek F81966 Super I/O chip.
Testing was done on the Aaeon SSE-IPTI

Signed-off-by: Menghui Wu <Menghui_Wu@aaeon.com.tw>
Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com>
Link: https://lore.kernel.org/r/20211117024320.2428144-1-acelan.kao@canonical.com


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