x86: use setup_clear_cpu_cap() when disabling the lapic

... so don't need to call clear_cpu_cap again in early_identify_cpu,
and could use cleared_cpu_caps like other places.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 1e3d32e..16e586c 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -1337,7 +1337,7 @@
 static __init int setup_disableapic(char *str)
 {
 	disable_apic = 1;
-	clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
+	setup_clear_cpu_cap(X86_FEATURE_APIC);
 	return 0;
 }
 early_param("disableapic", setup_disableapic);