dt-bindings: hwmon: add Aosong AHT10/AHT20/DHT20 to trivial devices

dt-bindings: hwmon: add Aosong AHT10/AHT20/DHT20 to trivial devices

Add Aosong AHT10, AHT20 and DHT20 temperature and humidity sensors
to the trivial-devices documentation. These sensors use a standard
I2C interface and do not require complex binding definitions.

Signed-off-by: Hao Yu <haoyufine@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260223173853.30617-2-haoyufine@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>