hwmon: (nct6775) Add support for 2 additional fan controls

The nct6116 has 2 additional PWM pins compared to the nct6106.
Extend the nct6106 PWM arrays to support the nct6116.

Signed-off-by: Xing Tong Wu <xingtong.wu@siemens.com>
Link: https://lore.kernel.org/r/20231121081604.2499-2-xingtong_wu@163.com


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