[ncp] fix undefined config macro warnings (#4458)
[ncp] fix undefined config macro warnings (#4458)

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