Enable percpu vector domain for IA64_DIG

Add per-CPU vector domain support for IA64_DIG. It is enabled by adding the "vector=percpu" boot option.

---
 arch/ia64/kernel/irq_ia64.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.22-rc5/arch/ia64/kernel/irq_ia64.c
=================================--- linux-2.6.22-rc5.orig/arch/ia64/kernel/irq_ia64.c 2007-06-19 15:33:50.000000000 +0900
+++ linux-2.6.22-rc5/arch/ia64/kernel/irq_ia64.c 2007-06-19 15:33:52.000000000 +0900
@@ -227,7 +227,7 @@ void __setup_vector_irq(int cpu)
}
}

-#if defined(CONFIG_IA64_GENERIC)
+#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_DIG)
static enum vector_domain_type {
VECTOR_DOMAIN_NONE,
VECTOR_DOMAIN_PERCPU