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/lib/memset.c

@@ -24,10 +24,10 @@
  * not any responsibility to update it.
  */
 
+#include <linux/export.h>
 #include <linux/types.h>
 #include <linux/stddef.h>
 #include <linux/compiler.h>
-#include <linux/module.h>
 #include <linux/string.h>
 
 #ifdef __HAVE_ARCH_MEMSET