[spinel] use OT version rather than MAC config in radio spinel (#5683)
[spinel] use OT version rather than MAC config in radio spinel (#5683)


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