Document the Tegra SDHCI inbound and outbound sampling trimmer values.
Signed-off-by: NAapo Vienamo <avienamo@nvidia.com>
Reviewed-by: NRob Herring <robh@kernel.org>
Acked-by: NThierry Reding <treding@nvidia.com>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>