PCI core API pci_dev_id() can be used to get the BDF number for a pciReviewed-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
device. We don't need to compose it mannually using PCI_DEVID(). Use
pci_dev_id() to simplify the code a little bit.
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@xxxxxxxxxx>