REG_ECPU_CONTROL
[REG_ECPU_CONTROL] = WL12XX_REG_ECPU_CONTROL,
[REG_ECPU_CONTROL] = WL18XX_REG_ECPU_CONTROL,
ret = wlcore_read_reg(wl, REG_ECPU_CONTROL, &cpu_ctrl);
ret = wlcore_write_reg(wl, REG_ECPU_CONTROL, cpu_ctrl);