ppc: 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>
Message-id: 1453832250-766-6-git-send-email-peter.maydell@linaro.org
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 9940a90..c2e8912 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -14,8 +14,8 @@
  *
  */
 
+#include "qemu/osdep.h"
 #include <dirent.h>
-#include <sys/types.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <sys/vfs.h>