microblaze: Do not use module.h in files which are not modules

Based on the patch:
"lib: reduce the use of module.h wherever possible"
(sha1: 8bc3bcc93a)
fix all microblaze files which are not modules.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/microblaze/kernel/sys_microblaze.c

@@ -13,6 +13,7 @@
  */
 
 #include <linux/errno.h>
+#include <linux/export.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
 #include <linux/syscalls.h>
@@ -24,7 +25,6 @@
 #include <linux/sys.h>
 #include <linux/ipc.h>
 #include <linux/file.h>
-#include <linux/module.h>
 #include <linux/err.h>
 #include <linux/fs.h>
 #include <linux/semaphore.h>