[PATCH v2] Fix MMC access on Sabrelite

[sbabic at denx.de]

> It appears that MMC access on the Sabrelite has been broken since
> cdcaee9518:
> Loading Environment from MMC... Card did not respond to voltage select!
> *** Warning - No block device, using default environment
> Remove the board_mmc_init() and related entries now that we should be
> using DM_MMC, add PINCTRL so that things work as expected.
> Signed-off-by: Martyn Welch <martyn.welch at collabora.com>
> Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>
> Reviewed-by: Fabio Estevam <festevam at gmail.com>
> Tested-by: Troy Kisky <troy.kisky at boundarydevices.com>
> Acked-by: Troy Kisky <troy.kisky at boundarydevices.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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