x86, apic: clean up ->apicid_to_node()

- separate the namespace

 - remove macros

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mach-generic/default.c b/arch/x86/mach-generic/default.c
index 6a21aa7..d391c2d 100644
--- a/arch/x86/mach-generic/default.c
+++ b/arch/x86/mach-generic/default.c
@@ -61,7 +61,7 @@
 	.ioapic_phys_id_map		= default_ioapic_phys_id_map,
 	.setup_apic_routing		= default_setup_apic_routing,
 	.multi_timer_check		= NULL,
-	.apicid_to_node			= apicid_to_node,
+	.apicid_to_node			= default_apicid_to_node,
 	.cpu_to_logical_apicid		= cpu_to_logical_apicid,
 	.cpu_present_to_apicid		= cpu_present_to_apicid,
 	.apicid_to_cpu_present		= apicid_to_cpu_present,