hwmon: (gpio-fan) Convert to use devm_ functions
hwmon: (gpio-fan) Convert to use devm_ functions

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

Cc: Simon Guinot <53bf830fa8e82969eaab534c14d8e8b9a7a96894@lacie.com>
Signed-off-by: Guenter Roeck <ba324ca7b1c77fc20bb970d5aff6eea9377918a5@roeck-us.net>
Acked-by: Simon Guinot <53bf830fa8e82969eaab534c14d8e8b9a7a96894@lacie.com>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs