add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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cat <<EOF
static __always_inline ${ret}
${arch}${atomic}_${pfx}inc${sfx}${order}(${atomic}_t *v)
{
    ${retstmt}${arch}${atomic}_${pfx}add${sfx}${order}(1, v);
}
EOF