arm: ls1021a: Enable CONFIG_OF_LIBFDT and CONFIG_FIT in defconfig

In defconfig, enable CONFIG_OF_LIBFDT to support booting DT linux
kernel and enable COFNIG_FIT to support FIT image.

Signed-off-by: Alison Wang <alison.wang@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
15 files changed