x86, genapic: rename int_delivery_mode, et. al.

int_delivery_mode is supposed to mean 'interrupt delivery mode', but
it's quite a misnomer as 'int' we usually think of as an integer type ...

The standard naming for such attributes is 'irq' - so rename the following
fields and macros:

 int_delivery_mode => irq_delivery_mode
 INT_DELIVERY_MODE => IRQ_DELIVERY_MODE
 int_dest_mode     => irq_dest_mode
 INT_DEST_MODE     => IRQ_DEST_MODE

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/genx2apic_cluster.c b/arch/x86/kernel/genx2apic_cluster.c
index fc855e5..e9ff7dc 100644
--- a/arch/x86/kernel/genx2apic_cluster.c
+++ b/arch/x86/kernel/genx2apic_cluster.c
@@ -182,8 +182,8 @@
 	.acpi_madt_oem_check		= x2apic_acpi_madt_oem_check,
 	.apic_id_registered		= x2apic_apic_id_registered,
 
-	.int_delivery_mode		= dest_LowestPrio,
-	.int_dest_mode			= (APIC_DEST_LOGICAL != 0),
+	.irq_delivery_mode		= dest_LowestPrio,
+	.irq_dest_mode			= (APIC_DEST_LOGICAL != 0),
 
 	.target_cpus			= x2apic_target_cpus,
 	.ESR_DISABLE			= 0,