block: 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.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block/qed.c b/block/qed.c
index 31f4cc9..093d6e5 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -12,6 +12,7 @@
  *
  */
 
+#include "qemu/osdep.h"
 #include "qemu/timer.h"
 #include "trace.h"
 #include "qed.h"