serial: switch change_irq and change_port to bool in uart_set_info()

change_irq and change_port are boolean variables. Mark them as such
(instead of uint).

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250317070046.24386-32-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Jiri Slaby (SUSE)

drivers/tty/serial/serial_core.c

@@ -895,8 +895,8 @@ static int uart_set_info(struct tty_struct *tty, struct tty_port *port,
 {
 	struct uart_port *uport = uart_port_check(state);
 	unsigned long new_port;
-	unsigned int change_irq, change_port, closing_wait;
-	unsigned int old_custom_divisor, close_delay;
+	unsigned int old_custom_divisor, close_delay, closing_wait;
+	bool change_irq, change_port;
 	upf_t old_flags, new_flags;
 	int retval;