8250_pci: Fix missing const from merges

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Antony Pavlov <antony@niisi.msk.ru>
Signed-off-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Vasily Averin <vvs@sw.ru>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/tty/serial/8250_pci.c b/drivers/tty/serial/8250_pci.c
index d7dc513..f41b425 100644
--- a/drivers/tty/serial/8250_pci.c
+++ b/drivers/tty/serial/8250_pci.c
@@ -973,7 +973,7 @@
 
 static int
 pci_omegapci_setup(struct serial_private *priv,
-		      struct pciserial_board *board,
+		      const struct pciserial_board *board,
 		      struct uart_port *port, int idx)
 {
 	return setup_port(priv, port, 2, idx * 8, 0);