samples: ams_iAQcore: Convert sample to use DEVICE_DT_GET_ONE

Move to use DEVICE_DT_GET_ONE instead of device_get_binding as
we work on phasing out use of DTS 'label' property.

Signed-off-by: Kumar Gala <[email protected]>

Author: galak

samples/sensor/ams_iAQcore/src/main.c

@@ -14,9 +14,9 @@ void main(void)
 	const struct device *dev;
 	struct sensor_value co2, voc;
 
-	dev = device_get_binding(DT_LABEL(DT_INST(0, ams_iaqcore)));
-	if (!dev) {
-		printk("Failed to get device binding");
+	dev = DEVICE_DT_GET_ONE(ams_iaqcore);
+	if (!device_is_ready(dev)) {
+		printk("sensor: device not ready.\n");
 		return;
 	}