1RK_YOCTO_CFG="rockchip-rk3588-evb" 2RK_KERNEL_DTS_NAME="rk3588-evb1-lp4-v10-linux" 3RK_USE_FIT_IMG=y 4RK_PARAMETER="parameter.txt" 5RK_WIFIBT_TTY="ttyS8" 6