[PATCH 1/1] pico-imx7d: add baseboard SD card boot detect

[Fabio Estevam]

On Tue, Nov 7, 2023 at 7:16 PM <egyszeregy at freemail.hu> wrote:
>
> From: Benjamin Szőke <egyszeregy at freemail.hu>
>
> Technexion PICO-IMX7 SoM is supporting USDHC3 (eMMC or micro SD on SoM)
> and USDHC1 (SD on carrier board) to use on any carrier board like
> PICO-NYMPH. Based on the U-Boot version from Technexion it adds
> baseboard SD card boot detect to able to boot from selected USDHC1
> or USDHC3 boot devices.
>
>     - Add baseboard SD card boot detect from Technexion's U-Boot.
>     - Implement board_mmc_get_env_dev() for pico-imx7d SoM.
>     - Implement mmc_map_to_kernel_blk() for pico-imx7d SoM.
>     - Add board_late_mmc_env_init() to use from common freescale
>       functions to able to provide "mmcdev" and "mmcroot" variables
>       in environment of U-boot.
>     - Add "mmc1" alias to use for usdhc1 in imx7d-pico-pi-u-boot.dtsi.
>     - In default environment set "mmcautodetect=yes" to use boot detection.
>
> Signed-off-by: Benjamin Szőke <egyszeregy at freemail.hu>

Adjusted commit log, removed (void)(devno), and applied itto
u-boot-imx next, thanks.