ARM: tegra: Add Tegra30 PCIe support
ARM: tegra: Add Tegra30 PCIe support

Add the top-level pcie-controller node for the Tegra30 SoC. Tegra30 has
three root ports that can use different lane layouts.

Signed-off-by: Jay Agarwal <289a1c1275082ce23b12cbe4776380206e2887d4@nvidia.com>
Signed-off-by: Thierry Reding <3055038c414aef68bf32c33b8118623e7554e0f2@nvidia.com>
Signed-off-by: Stephen Warren <5ef2a23ba3aff51d1cfc8c113c1ec34b608b3b13@nvidia.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs