Fix flag in PCIe controllers device-tree nodes 'ranges' property to correctly
represent 64-bit resources.

Fixes: 2602c32f ("arm64: tegra: Add P2U and PCIe controller nodes to Tegra194 DT")
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>