uboot-imx

dm: pci: Save devfn without bus number in pci_uclass_child_post_bind()

In pci_uclass_child_post_bind(), bdf is extracted from fdt_pci_addr.
Mask bus number before save it to pplat->devfn.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>