uboot-imx

pci/fsl_pci_init: Add a common PCI inbound setup function

Add a common setup function that determines the pci_region(s) based
on how much memory we have in the system.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Fleming-AFLEMING <afleming@freescale.com>