sh: landisk mv_nr_irqs definition.

Fix up the landisk build. When NR_IRQS was removed, landisk got missed
in the updates. Update the machvec for the landisk IRQs to get it
working again.
Signed-off-by: kogiidena <kogiidena@eggplant.ddo.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/boards/landisk/setup.c

@@ -93,6 +93,7 @@ static void __init landisk_setup(char **cmdline_p)
  */
 struct sh_machine_vector mv_landisk __initmv = {
 	.mv_name = "LANDISK",
+	.mv_nr_irqs = 72,
 	.mv_setup = landisk_setup,
 	.mv_init_irq = init_landisk_IRQ,
 };