serial: 8250: Add IrDA to UART capabilities

Add an IrDA UART capability flag and change the type of
uart_8250_port.capabilities to be u32 rather than unsigned short to
accommodate the additional flag.

Signed-off-by: Ed Blake <ed.blake@imgtec.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 48ec765..04185e03 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -94,7 +94,7 @@ struct uart_8250_port {
 	struct uart_port	port;
 	struct timer_list	timer;		/* "no irq" timer */
 	struct list_head	list;		/* ports on this IRQ */
-	unsigned short		capabilities;	/* port capabilities */
+	u32			capabilities;	/* port capabilities */
 	unsigned short		bugs;		/* port bugs */
 	bool			fifo_bug;	/* min RX trigger if enabled */
 	unsigned int		tx_loadsz;	/* transmit fifo load size */
@@ -168,6 +168,6 @@ int serial8250_console_setup(struct uart_port *port, char *options, bool probe);
 
 extern void serial8250_set_isa_configurator(void (*v)
 					(int port, struct uart_port *up,
-						unsigned short *capabilities));
+						u32 *capabilities));
 
 #endif