This commit enables Tegra audio graph card driver which is based on the generic audio-graph card driver. This is intended to be used on platforms based on Tegra210 and later chips. Signed-off-by: Sameer Pujar <spujar@nvidia.com> Reviewed-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>