serial_core: Spelling s/contro/control/

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-serial@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/serial_core.c

@@ -1762,7 +1762,7 @@ uart_get_console(struct uart_port *ports, int nr, struct console *co)
 }
 
 /**
- *	uart_parse_options - Parse serial port baud/parity/bits/flow contro.
+ *	uart_parse_options - Parse serial port baud/parity/bits/flow control.
  *	@options: pointer to option string
  *	@baud: pointer to an 'int' variable for the baud rate.
  *	@parity: pointer to an 'int' variable for the parity.