mm/bootmem.c: use include/linux/ headers

Replace asm. headers with linux/headers:

<linux/bug.h>
<linux/io.h>
Signed-off-by: Paul McQuade <paulmcquad@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

mm/bootmem.c

@@ -16,9 +16,9 @@
 #include <linux/kmemleak.h>
 #include <linux/range.h>
 #include <linux/memblock.h>
+#include <linux/bug.h>
+#include <linux/io.h>
 
-#include <asm/bug.h>
-#include <asm/io.h>
 #include <asm/processor.h>
 
 #include "internal.h"