USB: serial: correct spelling mistakes in comments

Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/serial/visor.h

@@ -136,7 +136,7 @@ struct visor_connection_info {
  *	connections.end_point_info is non-zero.  If value is 0, then
  *	connections.port contains the endpoint number, which is the same for in
  *	and out.
- * @port_function_id: contains the creator id of the applicaton that opened
+ * @port_function_id: contains the creator id of the application that opened
  *	this connection.
  * @port: contains the in/out endpoint number.  Is 0 if in and out endpoint
  *	numbers are different.