Integrate u-boot-seco-imx/seco_lf_v2021.04-gm_spl
Commit: edgehog/bsp/nxp/u-boot-seco-imx@3b5544ba
[i.MX8][C12][C20][C26][C43] move spl_board_boot_device to specific board implementation
Commit: edgehog/bsp/nxp/u-boot-seco-imx@3b5544ba
[i.MX8][C12][C20][C26][C43] move spl_board_boot_device to specific board implementation