Linux dts files were used for those boards that didn't already
have sdhci info populated. Tamonten has their own dtsi file with
common sdhci nodes (sourced from Linux).
Signed-off-by: NTom Warren <twarren@nvidia.com>
Tested-by: NThierry Reding <thierry.reding@avionic-design.de>
Reviewed-by: NStephen Warren <swarren@nvidia.com>