Fix the following coccicheck warning:

./drivers/hwmon/corsair-psu.c:379:2-3: Unneeded semicolon

Remove unneeded semicolons.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20210427044219.7799-1-wanjiabing@vivo.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>