hwmon: (max6639) Convert to use devm_ functions

Convert to use devm_ functions to reduce code size and simplify the code.

Cc: Roland Stigge <stigge@antcom.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Roland Stigge <stigge@antcom.de>
1 file changed