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/mach-generic/es7000.c b/arch/x86/mach-generic/es7000.c
index 50fed02..5633f32 100644
--- a/arch/x86/mach-generic/es7000.c
+++ b/arch/x86/mach-generic/es7000.c
@@ -114,8 +114,8 @@
 	.target_cpus			= es7000_target_cpus,
 	.disable_esr			= 1,
 	.dest_logical			= 0,
-	.check_apicid_used		= check_apicid_used,
-	.check_apicid_present		= check_apicid_present,
+	.check_apicid_used		= es7000_check_apicid_used,
+	.check_apicid_present		= es7000_check_apicid_present,
 
 	.no_balance_irq			= NO_BALANCE_IRQ,
 	.no_ioapic_check		= 0,