m68k: Use asm-generic version of <asm/types.h>

The extra definition for BITS_PER_LONG we had is also indirectly provided
by <asm-generic/types.h>, via <asm-generic/int-ll64.h> and
<asm/bitsperlong.h>
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>

arch/m68k/include/asm/Kbuild

@@ -23,5 +23,6 @@ generic-y += scatterlist.h
 generic-y += siginfo.h
 generic-y += statfs.h
 generic-y += topology.h
+generic-y += types.h
 generic-y += word-at-a-time.h
 generic-y += xor.h

arch/m68k/include/asm/types.h

-#ifndef _M68K_TYPES_H
-#define _M68K_TYPES_H
-
-/*
- * This file is never included by application software unless
- * explicitly requested (e.g., via linux/types.h) in which case the
- * application is Linux specific so (user-) name space pollution is
- * not a major issue.  However, for interoperability, libraries still
- * need to be careful to avoid a name clashes.
- */
-#include <asm-generic/int-ll64.h>
-
-/*
- * These aren't exported outside the kernel to avoid name space clashes
- */
-#ifdef __KERNEL__
-
-#define BITS_PER_LONG 32
-
-#endif /* __KERNEL__ */
-
-#endif /* _M68K_TYPES_H */