hwmon: (sht21) Add devicetree support

Add DT support for sht2x chips.

Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Link: https://lore.kernel.org/r/20250908-sht2x-v4-4-bc15f68af7de@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Author: kuu-rt

drivers/hwmon/sht21.c

@@ -282,8 +282,19 @@ static const struct i2c_device_id sht21_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, sht21_id);
 
+static const struct of_device_id sht21_of_match[] = {
+	{ .compatible = "sensirion,sht20" },
+	{ .compatible = "sensirion,sht21" },
+	{ .compatible = "sensirion,sht25" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, sht21_of_match);
+
 static struct i2c_driver sht21_driver = {
-	.driver.name = "sht21",
+	.driver = {
+		.name = "sht21",
+		.of_match_table = sht21_of_match,
+	},
 	.probe       = sht21_probe,
 	.id_table    = sht21_id,
 };