x86, apic: clean up check_apicid*() callbacks

Clean up these methods - to make it clearer which function is
used in which case.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/include/asm/mach-default/mach_apic.h b/arch/x86/include/asm/mach-default/mach_apic.h
index 5f8d17fd..064bc11 100644
--- a/arch/x86/include/asm/mach-default/mach_apic.h
+++ b/arch/x86/include/asm/mach-default/mach_apic.h
@@ -105,12 +105,12 @@
 }
 #endif
 
-static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
+static inline unsigned long default_check_apicid_used(physid_mask_t bitmap, int apicid)
 {
 	return physid_isset(apicid, bitmap);
 }
 
-static inline unsigned long check_apicid_present(int bit)
+static inline unsigned long default_check_apicid_present(int bit)
 {
 	return physid_isset(bit, phys_cpu_present_map);
 }