net: phy: tja11xx: remove call to devm_hwmon_sanitize_name

net: phy: tja11xx: remove call to devm_hwmon_sanitize_name

Since c909e68f8127 ("hwmon: (core) Use device name as a fallback in
devm_hwmon_device_register_with_info") we can simply provide NULL
as name argument.

Note that neither priv->hwmon_name nor priv->hwmon_dev are used
outside tja11xx_hwmon_register.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/4452cb7e-1a2f-4213-b49f-9de196be9204@gmail.com
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>