iio: proximity: mb1232: Switch to use fwnode_irq_get()

We have OF-centric variant of fwnode_irq_get() in the driver.
Replace it with a call to an agnostic implementation.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Andreas Klinger <ak@it-klinger.de>
Link: https://lore.kernel.org/r/20220413183123.20292-1-andriy.shevchenko@linux.intel.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/proximity/mb1232.c

@@ -10,12 +10,14 @@
  * https://www.maxbotix.com/documents/I2CXL-MaxSonar-EZ_Datasheet.pdf
  */
 
+#include <linux/bitops.h>
 #include <linux/err.h>
 #include <linux/i2c.h>
-#include <linux/of_irq.h>
 #include <linux/delay.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/bitops.h>
+#include <linux/property.h>
+
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/iio/buffer.h>
@@ -209,7 +211,7 @@ static int mb1232_probe(struct i2c_client *client,
 
 	init_completion(&data->ranging);
 
-	data->irqnr = irq_of_parse_and_map(dev->of_node, 0);
+	data->irqnr = fwnode_irq_get(dev_fwnode(&client->dev), 0);
 	if (data->irqnr <= 0) {
 		/* usage of interrupt is optional */
 		data->irqnr = -1;