38ed760bc9
Adjust Kconfig and defconfig and add SPL initialization code for Lichee Pi 4A. Then enable SPL support which we've added for TH1520 SoC earlier. The board devicetree is changed to use TH1520 binman configuration to generate bootable images. Signed-off-by: Yao Zi <ziyao@disroot.org> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>