serial: sirf: fix the amount of serial ports

SiRFprimaII has three uart ports and three USP-based ports, so there
are totally six lines instead of five.

Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/sirfsoc_uart.c

@@ -96,6 +96,13 @@ static struct sirfsoc_uart_port sirfsoc_uart_ports[SIRFSOC_UART_NR] = {
 			.line		= 4,
 		},
 	},
+	[5] = {
+		.port = {
+			.iotype		= UPIO_MEM,
+			.flags		= UPF_BOOT_AUTOCONF,
+			.line		= 5,
+		},
+	},
 };
 
 static inline struct sirfsoc_uart_port *to_sirfport(struct uart_port *port)