ARM: tegra: Move generic parts out of the nyan-big DT

In preparation for adding the DT for the nyan-blaze board.

Signed-off-by: Tomeu Vizoso <[email protected]>
Acked-by: Stephen Warren <[email protected]>
Reviewed-by: Alexandre Courbot <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>

Author: tomeuv