CB_NODE_TPM
nodes[CB_NODE_TPM] = SYSCTL_ADD_NODE(&sc->sysctl_ctx,
{ CB_NODE_TPM, CB_NODE_ROOT, "tpm",
{ CB_NODE_TPM, "version", CB_SYSCTL_U8,
{ CB_NODE_TPM, "ppi_addr", CB_SYSCTL_U32,
{ CB_NODE_TPM, "cblog_addr", CB_SYSCTL_U64,