m68k{nommu}: fixups after the header move

swab.h seems to have been missed during the header merge.
Add conditionals similar to byteorder.h and remove the
now unnecessary byteorder_no/mm.h

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

arch/m68k/include/asm/swab.h

@@ -0,0 +1,5 @@
+#ifdef __uClinux__
+#include "swab_no.h"
+#else
+#include "swab_mm.h"
+#endif