softmmu: move include files to include/sysemu/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/stubs/arch-query-cpu-def.c b/stubs/arch-query-cpu-def.c
index 6eca852..fa67895 100644
--- a/stubs/arch-query-cpu-def.c
+++ b/stubs/arch-query-cpu-def.c
@@ -1,5 +1,5 @@
 #include "qemu-common.h"
-#include "arch_init.h"
+#include "sysemu/arch_init.h"
 #include "qapi/qmp/qerror.h"
 
 CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp)