dt-bindings: hwmon: merge max1619 into trivial devices

Ther Maxim max1619 bindings are trivial, so simply merge it into
trivial-devices.yaml.
Signed-off-by: NKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210819182544.224121-1-krzysztof.kozlowski@canonical.comSigned-off-by: NRob Herring <robh@kernel.org>

Documentation/devicetree/bindings/hwmon/max1619.txt

-Bindings for MAX1619 Temperature Sensor
-
-Required properties:
-- compatible : "maxim,max1619"
-- reg        : I2C address, one of 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, or
-               0x4d, 0x4e
-
-Example:
-	temp@4c {
-		compatible = "maxim,max1619";
-		reg = <0x4c>;
-	};

Documentation/devicetree/bindings/trivial-devices.yaml

@@ -143,6 +143,8 @@ properties:
           - maxim,ds1803-100
             # Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
           - maxim,max1237
+            # Temperature Sensor, I2C interface
+          - maxim,max1619
             # 10-bit 10 kOhm linear programable voltage divider
           - maxim,max5481
             # 10-bit 50 kOhm linear programable voltage divider