hwmon: (nct7904) Fix CODE_INDENT error

Fix CODE_INDENT error reported by checkpatch.pl
Signed-off-by: Lorenz Kaestle <lorenz.kaestle@fau.de>
Signed-off-by: Jakob Albert <jakob.j.albert@fau.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>