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: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210819182544.224121-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Rob Herring <robh@kernel.org>

Author: krzk

Documentation/devicetree/bindings/hwmon/max1619.txt

@@ -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