hwmon: (scmi-hwmon) Avoid comma separated statements

Use semicolons and braces.

Signed-off-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/5e1ca60df261e3bfd0e6510e388581a1d1f52c77.1598331149.git.joe@perches.com


Signed-off-by: Guenter Roeck <linux@roeck-us.net>