[RFA] Add sh4a to opcodes

[Michael Snyder]

Nick Clifton wrote:
> Hi Michael,
> 
> 
>>2003-12-02  Alexandre Oliva  <aoliva@redhat.com>
>>
>>	* sh-opc.h: Add support for sh4a and no-fpu variants.
>>	* sh-dis.c: Ditto.
> 
> 
> Approved - please apply.

... and committed.