arm64: tegra: Add OPE device on Tegra210 and later

Output Processing Engine (OPE) is a client of AHUB and is present on
Tegra210 and later generations of Tegra SoC. Add this device on the
relevant SoC DTSI files.

Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>