add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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--
-- Unencryted TPM Blob.  For details of the format, see:
-- http://david.woodhou.se/draft-woodhouse-cert-best-practice.html#I-D.mavrogiannopoulos-tpmuri
--
PrivateKeyInfo ::= OCTET STRING ({ tpm_note_key })