Fix H8300 exported headers.

Just clean up asm/page.h
Signed-off-by: NDavid Woodhouse <dwmw2@infradead.org>

include/asm-h8300/page.h

 #ifndef _H8300_PAGE_H
 #define _H8300_PAGE_H
 
+#ifdef __KERNEL__
 
 /* PAGE_SHIFT determines the page size */
 
@@ -8,8 +9,6 @@
 #define PAGE_SIZE	(1UL << PAGE_SHIFT)
 #define PAGE_MASK	(~(PAGE_SIZE-1))
 
-#ifdef __KERNEL__
-
 #include <asm/setup.h>
 
 #ifndef __ASSEMBLY__
@@ -76,9 +75,9 @@ extern unsigned long memory_end;
 
 #endif /* __ASSEMBLY__ */
 
-#endif /* __KERNEL__ */
-
 #include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
+#endif /* __KERNEL__ */
+
 #endif /* _H8300_PAGE_H */