[ncp] only support MLE_STEERING_DATA_SET_OOB_ENABLE in FTD (#4418)
[ncp] only support MLE_STEERING_DATA_SET_OOB_ENABLE in FTD (#4418)

jwhui/openthread,jwhui/openthread,abtink/openthread,chshu/openthread,lanyuwen/openthread,openthread/openthread,openthread/openthread,chshu/openthread,jwhui/openthread,openthread/openthread,jwhui/openthread,abtink/openthread,srickardti/openthread,chshu/openthread,chshu/openthread,librasungirl/openthread,srickardti/openthread,abtink/openthread,bukepo/openthread,srickardti/openthread,librasungirl/openthread,chshu/openthread,bukepo/openthread,openthread/openthread,chshu/openthread,librasungirl/openthread,lanyuwen/openthread,bukepo/openthread,bukepo/openthread,abtink/openthread,librasungirl/openthread,lanyuwen/openthread,lanyuwen/openthread,lanyuwen/openthread,lanyuwen/openthread,srickardti/openthread