hwmon: (w83627ehf) Switch to SIMPLE_DEV_PM_OPS

Use SIMPLE_DEV_PM_OPS() to also assign poweroff
and thaw callbacks. Remove the now obsolete checking
of CONFIG_PM too.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20210721192519.28784-1-W_Armin@gmx.de


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