Add more coldfire cores

[Nick Clifton]

Hi Nathan,

> 1) newer gcc's are picky about passing non-constant strings to printf.  
> Gcc'll optimize the printf to fputs btw.
> 
> 2) A couple of cpus didn't have complete control register lists
> 
> 3) There's a new stldsr in isa-c, missing from previous changes
> 
> 4) we want -fno-mac to disable both emac and mac, rather than just mac 
> instructions.
> 
> ok?

Approved - please apply.

Cheers
   Nick