include: Clean up includes

Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.

This commit was created with scripts/clean-includes.

NB: If this commit breaks compilation for your out-of-tree
patchseries or fork, then you need to make sure you add
#include "qemu/osdep.h" to any new .c files that you have.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>

include/hw/virtio/vhost-backend.h

@@ -11,7 +11,6 @@
 #ifndef VHOST_BACKEND_H_
 #define VHOST_BACKEND_H_
 
-#include <stdbool.h>
 
 typedef enum VhostBackendType {
     VHOST_BACKEND_TYPE_NONE = 0,