ARM: tegra: Add Avionic Design Tamonten Evaluation Carrier support

The Tamonten Evaluation Carrier is an evaluation board for the Tamonten
SOM. More information is available here:

	http://www.avionic-design.de/en/products/nvidia-tegra-tamonten-system-en/nvidia-tegra-tamonten-evboard-en.html



Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>