Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/staging/iio/meter/ade7854.h b/drivers/staging/iio/meter/ade7854.h
index 4ad84a3..79a2110 100644
--- a/drivers/staging/iio/meter/ade7854.h
+++ b/drivers/staging/iio/meter/ade7854.h
@@ -149,7 +149,7 @@
  * @spi:			actual spi_device
  * @indio_dev:		industrial I/O device structure
  * @tx:			transmit buffer
- * @rx:			recieve buffer
+ * @rx:			receive buffer
  * @buf_lock:		mutex to protect tx and rx
  **/
 struct ade7854_state {