pci: s/pci_find_host_bus/pci_find_root_bus/g This patch renames pci_find_host_bus() to pci_find_root_bus() as suggested by "Michael S. Tsirkin" <mst@redhat.com>. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>