Patch to fix i915 drm with vgapci changes

[Stefan Ehmann]

On Tue, 2006-01-31 at 17:39 -0500, John Baldwin wrote:
> This patch uses an identify routine in the agp driver to add the agp child to 
> vgapci instead of having vgapci guess based on the PCIY_AGP capability.  
> Patch is at http://www.FreeBSD.org/~jhb/patches/agp_vgapci.patch

Doesn't compile because of missing return statement.

Otherwise it works fine for me.

Thanks.