mips: 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: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
diff --git a/hw/mips/mips_r4k.c b/hw/mips/mips_r4k.c
index 2d4e038..b6625ae 100644
--- a/hw/mips/mips_r4k.c
+++ b/hw/mips/mips_r4k.c
@@ -7,6 +7,7 @@
  * All peripherial devices are attached to this "bus" with
  * the standard PC ISA addresses.
 */
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "hw/mips/mips.h"
 #include "hw/mips/cpudevs.h"