target-unicore32: Clean includes

The change in cpu.h is needed when HOST_LONG_BITS is defined in qemu-common.h.
Signed-off-by: NStefan Weil <sw@weilnetz.de>

target-unicore32/cpu.h

@@ -20,6 +20,8 @@
 
 #define CPUState                struct CPUState_UniCore32
 
+#include "config.h"
+#include "qemu-common.h"
 #include "cpu-defs.h"
 #include "softfloat.h"
 

target-unicore32/helper.c

@@ -5,14 +5,10 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 
 #include "cpu.h"
 #include "gdbstub.h"
 #include "helper.h"
-#include "qemu-common.h"
 #include "host-utils.h"
 
 static inline void set_feature(CPUState *env, int feature)