[PATCH] smegw01: Update DDR initialization

[sbabic at denx.de]

> Sync with the latest DDR initialization from Phytec, which
> uses version 1.2 of NXP's i.MX7D DRAM Register Programming Aid
> spreadsheet.
> This updated DDR initialization fixes occasional system freeze.
> Signed-off-by: Fabio Estevam <festevam at denx.de>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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