serial: uuc_uart: constify uart_ops structures

These uart_ops structures are only stored in the ops field of a
uart_port structure and this fields is const, so the uart_ops
structures can also be const.

Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Timur Tabi <timur@tabi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/ucc_uart.c

@@ -1085,7 +1085,7 @@ static int qe_uart_verify_port(struct uart_port *port,
  *
  * Details on these functions can be found in Documentation/serial/driver
  */
-static struct uart_ops qe_uart_pops = {
+static const struct uart_ops qe_uart_pops = {
 	.tx_empty       = qe_uart_tx_empty,
 	.set_mctrl      = qe_uart_set_mctrl,
 	.get_mctrl      = qe_uart_get_mctrl,