1*dd84058dSMasahiro YamadaCONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6s.cfg,MX6S,DDR_MB=512" 2*dd84058dSMasahiro YamadaCONFIG_ARM=y 3*dd84058dSMasahiro YamadaCONFIG_TARGET_NITROGEN6X=y 4