tty: serial: make sport_uart_ops static and const

Make this const as it is only stored in the const field 'ops' of an
uart_port structure. It is not referenced in any other file and therefore
make it static too.

Done using Coccinelle.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/bfin_sport_uart.c

@@ -584,7 +584,7 @@ static void sport_set_termios(struct uart_port *port,
 	spin_unlock_irqrestore(&up->port.lock, flags);
 }
 
-struct uart_ops sport_uart_ops = {
+static const struct uart_ops sport_uart_ops = {
 	.tx_empty	= sport_tx_empty,
 	.set_mctrl	= sport_set_mctrl,
 	.get_mctrl	= sport_get_mctrl,