[POWERPC] Rewrite Freescale PCI/PCIe support for 8{3,5,6}xx

Rewrite the Freescale PCI code to support PCI on 83xx/85xx/86xx and
PCIe on 85xx/86xx.

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
5 files changed