hwmon: (nzxt-smart2) make array detect_fans_report static const

Don't populate the read-only array detect_fans_report on the stack but
instead it static const. Also makes the object code a little smaller.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20220109194558.45811-1-colin.i.king@gmail.com


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