hwmon-for-v5.16-rc5

- In the pwm-fan driver, ensure that the internal pwm state matches
  the state assumed by the pwm code.
- Avoid EREMOTEIO errors in sht4 driver
- In the nct6775 driver, make it explicit that the register value
  passed to nct6775_asuswmi_read() is an 8-bit value
- Avoid WARNing in dell-smm driver removal after failing to create
  /proc/i8k
- Stop using a plain integer as NULL pointer in corsair-psu driver