RFC: split ColdFire from m68k backend

[Peter Barada]

>> > As I've been working on the ColdFire backend more and more, I'm
>> > starting to believe that it can benifit from being split off from the
>> > m68k backend. This would allow m68k to maintain its current level of
>> > stability while allowing a complete rewrite of the ColdFire backend to
>> > bring it more in line with the other backends.
>
>  Would separating ColdFire from m68k duplicate lots of code? Would it be
>  possible to improve the current merged backend as-is?

We have to split off glibc for ColdFire since the m68k configuration
for glibc won't work with the ColdFire FPU.

-- 
Peter Barada
peter@the-baradas.com