[PATCH] Revert "serial: mxc: have putc use the TXFIFO"

[sbabic at denx.de]

> From: Fabio Estevam <festevam at denx.de>
> This reverts commit c7878a0483c59c48a730123bc0f4659fd40921bf.
> Since commit c7878a0483c5 ("serial: mxc: have putc use the TXFIFO"),
> serial console corruption can be seen when priting inside board_init(). 
> Revert it to avoid the regression.
> Reported-by: Tim Harvey <tharvey at gateworks.com>
> Signed-off-by: Fabio Estevam <festevam at denx.de>
> Acked-by: Tim Harvey <tharvey at gateworks.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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