m32r: introduce asm/swab.h

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/asm-m32r/Kbuild

 include include/asm-generic/Kbuild.asm
+unifdef-y += swab.h

include/asm-m32r/byteorder.h

 #ifndef _ASM_M32R_BYTEORDER_H
 #define _ASM_M32R_BYTEORDER_H
 
-#include <asm/types.h>
-
-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-#  define __BYTEORDER_HAS_U64__
-#  define __SWAB_64_THRU_32__
-#endif
+#include <asm/swab.h>
 
 #if defined(__LITTLE_ENDIAN__)
 #  include <linux/byteorder/little_endian.h>

include/asm-m32r/swab.h

+#ifndef _ASM_M32R_SWAB_H
+#define _ASM_M32R_SWAB_H
+
+#include <asm/types.h>
+
+#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+#  define __SWAB_64_THRU_32__
+#endif
+
+#endif /* _ASM_M32R_SWAB_H */