CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6s1g.cfg,MX6S,DDR_MB=1024"
# CONFIG_CONSOLE_MUX is not set
CONFIG_SYS_CONSOLE_IS_IN_ENV=y
CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6s1g.cfg,MX6S,DDR_MB=1024"
# CONFIG_CONSOLE_MUX is not set
CONFIG_SYS_CONSOLE_IS_IN_ENV=y