hwmon: (da9052) Don't use dash in the name attribute

Dashes are not allowed in hwmon name attributes.
Use "da9052" instead of "da9052-hwmon".

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>