This patch adds LPUART support for LS1021AQDS board. For ls1021aqds_nor_lpuart_defconfig, LPUART is used as the console.
Signed-off-by: Alison Wang Reviewed-by: York Sun
CONFIG_SYS_EXTRA_OPTIONS="LPUART" +S:CONFIG_ARM=y +S:CONFIG_TARGET_LS1021AQDS=y
