x86, apic: clean up ->apicid_to_cpu_present()

- 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 2903657..8fc704a 100644
--- a/arch/x86/mach-generic/default.c
+++ b/arch/x86/mach-generic/default.c
@@ -64,7 +64,7 @@
 	.apicid_to_node			= default_apicid_to_node,
 	.cpu_to_logical_apicid		= default_cpu_to_logical_apicid,
 	.cpu_present_to_apicid		= default_cpu_present_to_apicid,
-	.apicid_to_cpu_present		= apicid_to_cpu_present,
+	.apicid_to_cpu_present		= default_apicid_to_cpu_present,
 	.setup_portio_remap		= setup_portio_remap,
 	.check_phys_apicid_present	= check_phys_apicid_present,
 	.enable_apic_mode		= enable_apic_mode,