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, with the change
to target/s390x/gen-features.c manually reverted, and blank lines
around deletions collapsed.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180201111846.21846-3-armbru@redhat.com>

tests/migration/stress.c

@@ -17,21 +17,13 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <stdio.h>
+#include "qemu/osdep.h"
 #include <getopt.h>
-#include <string.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <unistd.h>
 #include <sys/reboot.h>
 #include <sys/syscall.h>
 #include <linux/random.h>
-#include <sys/time.h>
 #include <pthread.h>
-#include <fcntl.h>
 #include <sys/mount.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
 
 const char *argv0;
 

tests/ptimer-test.c

@@ -8,9 +8,9 @@
  *
  */
 
+#include "qemu/osdep.h"
 #include <glib/gprintf.h>
 
-#include "qemu/osdep.h"
 #include "qemu/main-loop.h"
 #include "hw/ptimer.h"