Clean up exported headers on CRIS

This fixes most of the issues with exported headers on CRIS, although
we do still need to deal with the asm/arch symlink.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/include/asm-cris/byteorder.h b/include/asm-cris/byteorder.h
index a1a222a..0cd9db1 100644
--- a/include/asm-cris/byteorder.h
+++ b/include/asm-cris/byteorder.h
@@ -3,14 +3,15 @@
 
 #ifdef __GNUC__
 
+#ifdef __KERNEL__
 #include <asm/arch/byteorder.h>
 
 /* defines are necessary because the other files detect the presence
  * of a defined __arch_swab32, not an inline
  */
-
 #define __arch__swab32(x) ___arch__swab32(x)
 #define __arch__swab16(x) ___arch__swab16(x)
+#endif /* __KERNEL__ */
 
 #if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
 #  define __BYTEORDER_HAS_U64__