Change default behaviour of ld(1) to not recursively copy DT_NEEDED

This is the default behaviour of the newer binutils as well as most alternative linkers.
All the ports tree has been fixed to be able to link properly with this new behaviour.

contrib/binutils/ld/ldmain.c

@@ -98,7 +98,7 @@ bfd_boolean as_needed;
 
 /* Nonzero means never create DT_NEEDED entries for dynamic libraries
    in DT_NEEDED tags.  */
-bfd_boolean add_needed = TRUE;
+bfd_boolean add_needed = FALSE;
 
 /* TRUE if we should demangle symbol names.  */
 bfd_boolean demangling;