lm32: 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: 1453832250-766-5-git-send-email-peter.maydell@linaro.org
diff --git a/target-lm32/op_helper.c b/target-lm32/op_helper.c
index 61209c1..b6759e0 100644
--- a/target-lm32/op_helper.c
+++ b/target-lm32/op_helper.c
@@ -1,4 +1,4 @@
-#include <assert.h>
+#include "qemu/osdep.h"
 #include "cpu.h"
 #include "exec/helper-proto.h"
 #include "qemu/host-utils.h"