x86, smp: remove mach_ipi.h

Move mach_ipi.h definitions into genapic.h.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 6348e11..14c5af4 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -14,7 +14,7 @@
 DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate)
 			= { &init_mm, 0, };
 
-#include <mach_ipi.h>
+#include <asm/genapic.h>
 /*
  *	Smarter SMP flushing macros.
  *		c/o Linus Torvalds.