add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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# locally computed
sha256  63f6068ae36884adef4259bbb1fe2591755718f22c46d0a59d854883dfab1ffc  imx-bootlets-src-10.12.01.tar.gz