Integrate u-boot-seco-imx/seco_lf_v2021.04_a62_eth
Commit: edgehog/bsp/nxp/u-boot-seco-imx@91ccffef
[A62][ETH] Don't disable auto-negotiation
--
Commit: edgehog/bsp/nxp/u-boot-seco-imx@dbee6373
[A62][DTS] Enable rgmii-id for gigabit ethernet
Commit: edgehog/bsp/nxp/u-boot-seco-imx@91ccffef
[A62][ETH] Don't disable auto-negotiation
--
Commit: edgehog/bsp/nxp/u-boot-seco-imx@dbee6373
[A62][DTS] Enable rgmii-id for gigabit ethernet