uboot-imx

tegra: Add EMC settings for Seaboard

Set Seaboard to optimal memory settings based on the SOC in use (T20 or T25).

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Jimmy Zhang <jimmzhang@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>