Microblaze: Remove unused variable from paging init

Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 6ef5088..af789e2 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -41,7 +41,6 @@
  */
 static void __init paging_init(void)
 {
-	int i;
 	unsigned long zones_size[MAX_NR_ZONES];
 
 	/* Clean every zones */