[PATCH] board: gateworks: venice: add imx8mm-gw7903 support

[sbabic at denx.de]

> The GW7903 is based on the i.MX 8M Mini SoC featuring:
>  - LPDDR4 DRAM
>  - eMMC FLASH
>  - microSD socket with voltage select support
>  - Gateworks System Controller
>  - M.2 A-E Socket with USB2.0 and PCIe
>  - MiniPCIe Socket with PCIe, USB2.0, and SIM
>  - IMX8M FEC
>  - RS232/RS485/RS422 serial transceiver
>  - LIS2DE12 3-axis accelerometer
>  - front panel LED's
>  - off-board isolated digital I/O
>  - Wide range DC power input
>  - 802.3at PoE
>  - PMIC
> Signed-off-by: Tim Harvey <tharvey at gateworks.com>
> Reviewed-by: Fabio Estevam <festevam at denx.de>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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