GDBserver ports cleanup

[Simon Marchi]

On 2020-05-13 2:36 p.m., Joseph Myers wrote:
> On Tue, 12 May 2020, Simon Marchi via Gdb-patches wrote:
> 
>> - tic6x (I don't think it was ever supported upstream.  Looking at this [1], there doesn't
>>   seem to be development since ~2012)
> 
> I've no idea whether Linux on C6x is actively maintained, but the port is 
> there in arch/c6x/.

Oh, my bad, I missed it.  I don't propose to remove this one then.

Simon