[MT patch]: lowercase architecture names

[Nick Clifton]

Hi Nathan,

>> Is this really of any benefit ?  Is there some intention to have 
>> uppercase variants of the name mean something different ?
> 
> No, there's no intention for upper case to mean something different.  
> The thing is, uppercase does not work -- the new multilib machinery 
> expects the architectures to be lower case.  The existing port also only 
> worked with exclusively upper case or lower case rather than the mixed 
> case which strcasecmp will accept.  Being stricter is an attempt to head 
> off confusing errors.

In which case the patch is approved, please apply it.

Cheers
   Nick