only used for syscall name <-> number translations, and the native array
is guaranteed to be superset of the former 'aout' and 'aoutm68k' arrays
this re-adds 'aoutm68k' support, and replaces change made in 1.14
g/c #include's which are no longer needed (including aout_syscalls.c), and
also add some comments for the emulations[] array
0e3af04f6a