[PATCH 04/11] imx: mx6ull/z_14x14_evk: clean up UART iomux

[sbabic at denx.de]

> From: Peng Fan <peng.fan at nxp.com>
> After DM_SERIAL, and set pinctrl_uart1 as pre-reloc, no need initialize
> iomux at board file.
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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