patch: add support for CustomEDID to radeon

[Csillag Kristof]

Alex Deucher wrote:
> On Sun, Oct 4, 2009 at 6:20 PM, Alex Deucher <alexdeucher at gmail.com> wrote:
>   
>> Whoops.  try this version.
>>
>>     
>
> This time with patch.
>   
This time it works OK.

    Kristof