qemu: Validate PCI controller options (modelName)
qemu: Validate PCI controller options (modelName)

https://bugzilla.redhat.com/show_bug.cgi?id=1483816

Signed-off-by: Andrea Bolognani <3ada0bee826c753786fdbba72243dfba997094cf@redhat.com>
Reviewed-by: Laine Stump <c23361c43fbf79fed83e8b76173707b083d6caf5@laine.org>

libvirt/libvirt,zippy2/libvirt,fabianfreyer/libvirt,olafhering/libvirt,olafhering/libvirt,nertpinx/libvirt,andreabolognani/libvirt,eskultety/libvirt,libvirt/libvirt,eskultety/libvirt,andreabolognani/libvirt,jfehlig/libvirt,nertpinx/libvirt,jardasgit/libvirt,nertpinx/libvirt,libvirt/libvirt,jardasgit/libvirt,olafhering/libvirt,jfehlig/libvirt,andreabolognani/libvirt,zippy2/libvirt,crobinso/libvirt,crobinso/libvirt,fabianfreyer/libvirt,eskultety/libvirt,crobinso/libvirt,libvirt/libvirt,eskultety/libvirt,nertpinx/libvirt,jardasgit/libvirt,zippy2/libvirt,fabianfreyer/libvirt,olafhering/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,andreabolognani/libvirt,nertpinx/libvirt,eskultety/libvirt,jfehlig/libvirt,zippy2/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,crobinso/libvirt,andreabolognani/libvirt,jardasgit/libvirt