ARM: tegra: Use generated pinmux data for Nyan Big

Google has submitted a board config for the pinmux programming of the
Nyan Big board. Use the whole of it as it's generated to make it easier
to update as the configuration gets fixed in the future.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>