iio: inv_mpu6050: Use i2c_acpi_get_i2c_resource() helper

ACPI provides a generic helper to get I2C Serial Bus resources.
Use it instead of open coded variant.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c

@@ -91,18 +91,14 @@ static int asus_acpi_get_sensor_info(struct acpi_device *adev,
 
 static int acpi_i2c_check_resource(struct acpi_resource *ares, void *data)
 {
+	struct acpi_resource_i2c_serialbus *sb;
 	u32 *addr = data;
 
-	if (ares->type == ACPI_RESOURCE_TYPE_SERIAL_BUS) {
-		struct acpi_resource_i2c_serialbus *sb;
-
-		sb = &ares->data.i2c_serial_bus;
-		if (sb->type == ACPI_RESOURCE_SERIAL_TYPE_I2C) {
-			if (*addr)
-				*addr |= (sb->slave_address << 16);
-			else
-				*addr = sb->slave_address;
-		}
+	if (i2c_acpi_get_i2c_resource(ares, &sb)) {
+		if (*addr)
+			*addr |= (sb->slave_address << 16);
+		else
+			*addr = sb->slave_address;
 	}
 
 	/* Tell the ACPI core that we already copied this address */