net: phy: mxl-gpy: remove call to devm_hwmon_sanitize_name

Since c909e68f ("hwmon: (core) Use device name as a fallback in
devm_hwmon_device_register_with_info") we can simply provide NULL
as name argument.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/e34c4802-20ce-4556-a47c-812e602e8526@gmail.com


Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>