linux-phytec-fsl

hwmon: (max6639) Convert to use devm_hwmon_device_register_with_groups

Simplify code, reduce code size, and attach sysfs attricutes to hwmon device.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <jdelvare@suse.de>