dt-bindings: iio: adc: Replace hard-coded GPIO/IRQ flag with a define

For readability use known defines instead of hard-coding GPIO or
interrupt flag.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/20250724111345.47889-6-krzysztof.kozlowski@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Documentation/devicetree/bindings/iio/adc/maxim,max1241.yaml

@@ -63,6 +63,6 @@ examples:
             vdd-supply = <&adc_vdd>;
             vref-supply = <&adc_vref>;
             spi-max-frequency = <1000000>;
-            shutdown-gpios = <&gpio 26 1>;
+            shutdown-gpios = <&gpio 26 GPIO_ACTIVE_LOW>;
         };
     };

Documentation/devicetree/bindings/iio/adc/rohm,bd79124.yaml

@@ -81,7 +81,7 @@ examples:
             reg = <0x10>;
 
             interrupt-parent = <&gpio1>;
-            interrupts = <29 8>;
+            interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
 
             vdd-supply = <&dummyreg>;
             iovdd-supply = <&dummyreg>;