[U-Boot] [PATCH v3 3/5] nitrogen6x: reserve used gpios

[sbabic at denx.de]

> This prevents messages like
> gpio at 20a0000: get_value: error: gpio GPIO2_2 not reserved
> when CONFIG_DM_GPIO is enabled.
> Also, when CONFIG_DM_GPIO is enabled, checkboard is too
> early to use gpio_get_value, so read it directly on failure.
> Signed-off-by: Troy Kisky <troy.kisky at boundarydevices.com>

Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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