staging: iio: adis16240: add of_match_table entry

This patch adds of_match_table entry in device driver in order to
enable spi fallback probing.

Signed-off-by: Rodrigo Ribeiro <[e-mail]>
Reviewed-by: Marcelo Schmitt <[e-mail]>
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/staging/iio/accel/adis16240.c

···
 static struct spi_driver adis16240_driver = {
 	.driver = {
 		.name = "adis16240",
+		.of_match_table = adis16240_of_match,
 	},
 	.probe = adis16240_probe,
 	.remove = adis16240_remove,