add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

1
2
3
4
5
6
RPI BOARD
#M:    Stephen Warren <swarren@wwwdotorg.org>
S:    Orphaned (Since 2017-07)
F:    board/raspberrypi/rpi/
F:    include/configs/rpi.h
F:    configs/rpi_*defconfig