xf86-video-siliconmotion: added support for SM501 on PPC local bus

[Julien Cristau]

On Mon, Aug 16, 2010 at 13:10:23 +0200, Marc Scherer wrote:

> +/* Support for the TQM5200 board:
> + * SM501 on MPC5200 local bus.
> + */
> +#define SMI_TQM5200 1
> +

That's not "Support for the TQM5200 board", it's "support this board and
break everything else", AIUI.  This should probably be a runtime option
based on whether you're actually running on that board.

Cheers,
Julien