dt-bindings: hwmon: Add compatible string for ADT7481 in lm90

dt-bindings: hwmon: Add compatible string for ADT7481 in lm90

This will allow binding the driver with the device from the device tree.

This device can work in extended temperature measurement mode, so add it
also to the list of devices that support 'ti,extended-range-enable'.

Signed-off-by: Slawomir Stepien <slawomir.stepien@nokia.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220525073657.573327-2-sst@poczta.fm
Signed-off-by: Guenter Roeck <linux@roeck-us.net>