PCI: Add pci_device_to_OF_node() stub for !CONFIG_OF
PCI: Add pci_device_to_OF_node() stub for !CONFIG_OF

Add a stub for pci_device_to_OF_node() so drivers don't need to
use #ifdef CONFIG_OF around calls to it.

Signed-off-by: Kevin Hao <7b5c7263b051e4f30fdb05a718aacc347c3275cd@gmail.com>
Signed-off-by: Bjorn Helgaas <f10ec01be0c6b54271af5c550cd257810bdf3268@google.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs