x86/PCI: pci quirks, fix pci refcounting

Stanse found a pci reference leak in quirk_amd_nb_node.
Instead of putting nb_ht, there is a put of dev passed as
an argument.

http://stanse.fi.muni.cz/

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>