FSL_XCVR_EXT_CTRL_CMDC_RESET
m_ctl |= FSL_XCVR_EXT_CTRL_CMDC_RESET(tx);
mask |= FSL_XCVR_EXT_CTRL_CMDC_RESET(tx);
val |= FSL_XCVR_EXT_CTRL_CMDC_RESET(tx);