1*f3a8e2b7SMingkai HuCONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4" 2*f3a8e2b7SMingkai HuCONFIG_ARM=y 3*f3a8e2b7SMingkai HuCONFIG_TARGET_LS1043ARDB=y 4*f3a8e2b7SMingkai HuCONFIG_FSL_LAYERSCAPE=y 5