hwmon: (jc42) Use sign_extend32 for sign extension
hwmon: (jc42) Use sign_extend32 for sign extension

Despite the name, sign_extend32 works just fine for 16 bit variables,
so it is safe to use.

Cc: Martin Kepplinger <07ddf30bcca2a0d3056e54ffbfe155352a6af244@posteo.de>
Reviewed-by: Jean Delvare <efca98801f3398ebd7eeff805a2c18e6c49e84d4@suse.de>
Signed-off-by: Guenter Roeck <ba324ca7b1c77fc20bb970d5aff6eea9377918a5@roeck-us.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs