[U-Boot] old nios arch removal

[Thomas Chou]

Scott McNutt wrote:
> Thomas,
> 
>> The old nios arch is obsolete and the build has been broken for a long 
>> time. Shall we remove it from u-boot?
> 
> I'm in favor of removing the nios-32 code. It's been a very long
> time since I had a customer using nios-32 -- never mind nios-32 u-boot.
> 
> If nobody objects, let's get rid of it.
> 
> Regards,
> --Scott
> 
> 
> 
Hi Scott,

Yes, the gcc2.9 of nios-32 is too old for current u-boot. I will prepare 
a branch for the removal on my git server, then you may pull it and 
verify. The patches might be too big to post entirely on the list.

Best regards,
Thomas