x86: fold apic_ops into genapic

Impact: cleanup

make it simpler, don't need have one extra struct.

v2: fix the sgi_uv build

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/ipi.c b/arch/x86/kernel/ipi.c
index dbf5445..1326272 100644
--- a/arch/x86/kernel/ipi.c
+++ b/arch/x86/kernel/ipi.c
@@ -15,7 +15,7 @@
 #include <asm/mtrr.h>
 #include <asm/tlbflush.h>
 #include <asm/mmu_context.h>
-#include <asm/apic.h>
+#include <asm/genapic.h>
 #include <asm/proto.h>
 #include <asm/ipi.h>