[SUNZILOG]: Update timeout when setting termios.

Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/serial/sunzilog.c

@@ -974,6 +974,8 @@ sunzilog_set_termios(struct uart_port *port, struct termios *termios,
 
 	sunzilog_maybe_update_regs(up, ZILOG_CHANNEL_FROM_PORT(port));
 
+	uart_update_timeout(port, termios->c_cflag, baud);
+
 	spin_unlock_irqrestore(&up->port.lock, flags);
 }