GDB multi-build failure in lm32-opc.c file

[Nick Clifton]

Hi Pierre,

> Here is my patch,
> it allows me to complete a gdb build
> with --enable-targets=all
> on a ix86 ubuntu.

Thanks - I have applied a variation of this patch.  The only problem 
with it was that most of the changes were to files that are machine 
generated, but you did not change the master file (cgen/opc-itab.scm). 
So I made the change there and then regenerated all of the files.

Cheers
   Nick