x86/PCI: prepare pci_mmcfg_check_reserved() to be called at runtime

Prepare function pci_mmcfg_check_reserved() to be called at runtime
for PCI host bridge hot-plugging

Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
1 file changed