ARM: dts: NSP: Fix PCIE DT issue

Adding the ranges value is preventing the PCI nodes from working.
Pulling them out outside makes them work again (and makes it similar to
the NS2 device tree).

Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>