iio: proximity: ping: fix typo in comment

Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/20220521111145.81697-54-Julia.Lawall@inria.frSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/proximity/ping.c

@@ -173,7 +173,7 @@ static int ping_read(struct iio_dev *indio_dev)
 
 	/*
 	 * read error code of laser ping sensor and give users chance to
-	 * figure out error by using dynamic debuggging
+	 * figure out error by using dynamic debugging
 	 */
 	if (data->cfg->laserping_error) {
 		if ((time_ns > 12500000) && (time_ns <= 13500000)) {