iio: fix spelling of detach in static func

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/iio/industrialio-trigger.c

@@ -234,7 +234,7 @@ static int iio_trigger_attach_poll_func(struct iio_trigger *trig,
 	return ret;
 }
 
-static int iio_trigger_dettach_poll_func(struct iio_trigger *trig,
+static int iio_trigger_detach_poll_func(struct iio_trigger *trig,
 					 struct iio_poll_func *pf)
 {
 	int ret = 0;
@@ -502,7 +502,7 @@ EXPORT_SYMBOL(iio_triggered_buffer_postenable);
 
 int iio_triggered_buffer_predisable(struct iio_dev *indio_dev)
 {
-	return iio_trigger_dettach_poll_func(indio_dev->trig,
+	return iio_trigger_detach_poll_func(indio_dev->trig,
 					     indio_dev->pollfunc);
 }
 EXPORT_SYMBOL(iio_triggered_buffer_predisable);