misc: move include files to include/qemu/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/hw/baum.c b/hw/baum.c
index 3e94f84..97d13ea 100644
--- a/hw/baum.c
+++ b/hw/baum.c
@@ -23,7 +23,7 @@
  */
 #include "qemu-common.h"
 #include "qemu-char.h"
-#include "qemu-timer.h"
+#include "qemu/timer.h"
 #include "usb.h"
 #include "baum.h"
 #include <brlapi.h>