Use modular config for AGP settings - otherwise fglrx wil
>> I reverted all of the i386 AGP drivers back to being built as modules,
>> but not CONFIG_AGP as that affects DRI. Please build and test to make
>> sure this change is sufficient.
> Now I know, why it did not work...
> [ 77.626663] fglrx: module license 'Proprietary. (C) 2002 - ATI Technologies, Starnberg, GERMANY' taints kernel.
> [ 77.659673] [fglrx] vendor: 1002 device: 9587 count: 1
> [ 77.660383] [fglrx] ioport: bar 1, base 0xd000, size: 0x100
> [ 77.660400] [fglrx] Maximum main memory to use for locked dma buffers: 1645 MBytes.
> [ 77.660818] [fglrx] PAT is enabled successfully!
> [ 77.660836] [fglrx:firegl_init_module] *ERROR* firegl_stub_register failed
> In order to make fglrx work you usually have to unload radeon + drm module. BUT if you compile DRM statically that will never work.