[radeonhd] patches for FreeBSD

Hi, here are some patches to make the driver and conntest compile on FreeBSD. I can't run conntest yet because libpci doesn't work properly here :( Regards, Rene -- GPG fingerprint = E738 5471 D185 7013 0EE0 4FC8 3C1D 6F83 12E1 84F6 (subkeys.pgp.net) "It won't fit on the line." -- me, 2001