dt-bindings: trivial-devices: Add sht2x sensors

Add sensirion,sht2x trivial sensors.

Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250908-sht2x-v4-3-bc15f68af7de@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Author: kuu-rt

Documentation/devicetree/bindings/trivial-devices.yaml

@@ -372,6 +372,9 @@ properties:
             # Sensirion low power multi-pixel gas sensor with I2C interface
           - sensirion,sgpc3
             # Sensirion temperature & humidity sensor with I2C interface
+          - sensirion,sht20
+          - sensirion,sht21
+          - sensirion,sht25
           - sensirion,sht4x
             # Sensortek 3 axis accelerometer
           - sensortek,stk8312