This patch adds QSPI boot support for LS1021AQDS/TWR board. The QSPI boot image need to be programmed into the QSPI flash first. Then the booting will start from QSPI memory space.
Signed-off-by: Alison Wang Reviewed-by: York Sun
CONFIG_SYS_EXTRA_OPTIONS="QSPI_BOOT" +S:CONFIG_ARM=y +S:CONFIG_TARGET_LS1021ATWR=y
