Fix tlbsx instruction for PPC440

[Alan Modra]

On Sat, Sep 25, 2004 at 11:52:13AM -0700, Zack Weinberg wrote:
> It seems simplest to me to give this entire instruction family an
> optional RT register, and not worry about which instructions are
> supported on which subarchitectures - hence PPC403|PPC440|BOOKE.

Works for me.  The architecture book says that where the result is
stored is implementation dependent.

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre