add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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ZYNQ BOARD
M:    Michal Simek <monstr@monstr.eu>
S:    Maintained
F:    board/xilinx/zynq/
F:    include/configs/zynq*.h
F:    configs/zynq_*_defconfig