arm_cmn_pmu_offset
dtc->base = dtc->pmu_base - arm_cmn_pmu_offset(cmn, dn);
node->pmu_base = cmn->base + offset + arm_cmn_pmu_offset(cmn, node);
int offset = CMN_MXP__CONNECT_INFO(port) - arm_cmn_pmu_offset(cmn, xp);