staging: iio: adis16240: add blank line before struct definition

Add a blank line before starting structure definition as per coding
style guidelines. Issue reported by checkpatch script.
Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com>
Acked-by: Julia Lawall <julia.lawall@inria.fr>
Link: https://lore.kernel.org/r/20201011104800.GA29412@ubuntu204Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/staging/iio/accel/adis16240.c

@@ -426,6 +426,7 @@ static int adis16240_probe(struct spi_device *spi)
 
 	return devm_iio_device_register(&spi->dev, indio_dev);
 }
+
 static const struct of_device_id adis16240_of_match[] = {
 	{ .compatible = "adi,adis16240" },
 	{ },