x86: provide connect_bsp_APIC for x86_64

Although it is not really needed, we provide it to get
closer to i386. ifdefs around it are removed in smpboot.c

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index e09f3124..a569f06 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1116,9 +1116,7 @@
 
 		localise_nmi_watchdog();
 
-#ifdef CONFIG_X86_32
 		connect_bsp_APIC();
-#endif
 		setup_local_APIC();
 		end_local_APIC_setup();
 		return -1;
@@ -1173,9 +1171,8 @@
 	}
 	preempt_enable();
 
-#ifdef CONFIG_X86_32
 	connect_bsp_APIC();
-#endif
+
 	/*
 	 * Switch from PIC to APIC mode.
 	 */