sh: hp6xx evt2irq migration.

Migrate hp6xx to evt2irq backed hwirq lookups.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/mach-hp6xx/setup.c b/arch/sh/boards/mach-hp6xx/setup.c
index 8c9add5..db34cad 100644
--- a/arch/sh/boards/mach-hp6xx/setup.c
+++ b/arch/sh/boards/mach-hp6xx/setup.c
@@ -13,6 +13,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/irq.h>
+#include <linux/sh_intc.h>
 #include <sound/sh_dac_audio.h>
 #include <asm/hd64461.h>
 #include <asm/io.h>
@@ -35,7 +36,7 @@
 		.flags = IORESOURCE_MEM,
 	},
 	[2] = {
-		.start = 77,
+		.start = evt2irq(0xba0),
 		.flags = IORESOURCE_IRQ,
 	},
 };