rockchip: rk3588-nanopc-t6: Add support for NanoPC-T6 LTS

Update defconfig to enable features included in pending upstream DT and
implement board_fit_config_name_match() to load correct DT for LTS and
non-LTS version of the NanoPC-T6.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
4 files changed