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/kgdb.c b/arch/x86/kernel/kgdb.c
index 5c4f554..eedfaeb 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -46,7 +46,7 @@
 #include <asm/apicdef.h>
 #include <asm/system.h>
 
-#include <asm/genapic.h>
+#include <asm/apic.h>
 
 /*
  * Put the error code here just in case the user cares: