pci/of: expand match PCI devices to OF nodes

Expand match criteria so that multiple OF nodes with
the same BDF will match with the correct PCI device.
OF node will have a compatible entry with device and
vendor ID, which will be matched to a PCI device and
vendor ID.

Change-Id: I6e654d5dbf55a05b4e1b6a60d5d87addc2cb14b9
Signed-off-by: Tony Truong <truong@codeaurora.org>