dt-bindings: hwmon: stts751: convert to dtschema

Convert existing binding to support validation.

This is a straightforward conversion with no new properties.

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240322-hwmon_dtschema-v3-4-6697de2a8228@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Documentation/devicetree/bindings/hwmon/st,stts751.yaml

@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/st,stts751.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STTS751 Thermometer
+
+maintainers:
+  - Javier Carrasco <javier.carrasco.cruz@gmail.com>
+
+properties:
+  compatible:
+    const: st,stts751
+
+  reg:
+    maxItems: 1
+
+  smbus-timeout-disable:
+    description:
+      When set, the smbus timeout function will be disabled.
+    $ref: /schemas/types.yaml#/definitions/flag
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        thermometer@48 {
+            compatible = "st,stts751";
+            reg = <0x48>;
+            smbus-timeout-disable;
+        };
+    };

Documentation/devicetree/bindings/hwmon/stts751.txt

@@ -1,15 +0,0 @@
-* STTS751 thermometer.
-
-Required node properties:
-- compatible: "stts751"
-- reg: I2C bus address of the device
-
-Optional properties:
-- smbus-timeout-disable: when set, the smbus timeout function will be disabled
-
-Example stts751 node:
-
-temp-sensor {
-	compatible = "stts751";
-	reg = <0x48>;
-}