x86, apic: remove genapic.h

Impact: cleanup

Remove genapic.h and remove all references to it.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index 48b9ca5..bdfad80 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -11,7 +11,7 @@
  *  Mikael Pettersson	: PM converted to driver model. Disable/enable API.
  */
 
-#include <asm/genapic.h>
+#include <asm/apic.h>
 
 #include <linux/nmi.h>
 #include <linux/mm.h>