[PATCH] warp7: Remove UART initialization code

[sbabic at denx.de]

> From: Fabio Estevam <festevam at denx.de>
> With DM_SERIAL selected, it is no longer needed board code to
> initialize the UART.
> Describe the nodes that require dm-pre-reloc, which allows
> the DM model to configure the UART pinctrl early.
> Remove the now unneeded board UART initialization.
> Signed-off-by: Fabio Estevam <festevam at denx.de>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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