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The PCIe root port is outside of the current RPi
MMIO regions, so we need to adjust the address map.
Given much of the code depends on the legacy IOBASE
lets separate that from the actual MMIO begin/end.
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Change-Id: Id65460ae58556bd8826dba08bbad79953e2a7c0b