add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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BCM911360_ENTPHN-NS BOARD
M:    Steve Rae <steve.rae@raedomain.com>
S:    Maintained
F:    board/broadcom/bcmcygnus/
F:    include/configs/bcm_ep_board.h
F:    configs/bcm911360_entphn-ns_defconfig