[posix-app] verify radio capabilities (#3148)
[posix-app] verify radio capabilities (#3148)


erja-gp/openthread,erja-gp/openthread,bukepo/openthread,LeZhang2016/openthread,abtink/openthread,lanyuwen/openthread,chshu/openthread,jwhui/openthread,turon/openthread,srickardti/openthread,LeZhang2016/openthread,lanyuwen/openthread,lanyuwen/openthread,abtink/openthread,turon/openthread,jwhui/openthread,openthread/openthread,turon/openthread,LeZhang2016/openthread,gandreello/openthread,erja-gp/openthread,LeZhang2016/openthread,LeZhang2016/openthread,bukepo/openthread,lanyuwen/openthread,srickardti/openthread,abtink/openthread,chshu/openthread,librasungirl/openthread,openthread/openthread,librasungirl/openthread,gandreello/openthread,librasungirl/openthread,jwhui/openthread,chshu/openthread,lanyuwen/openthread,gandreello/openthread,gandreello/openthread,erja-gp/openthread,chshu/openthread,gandreello/openthread,bukepo/openthread,gandreello/openthread,chshu/openthread,turon/openthread,librasungirl/openthread,chshu/openthread,srickardti/openthread,bukepo/openthread,erja-gp/openthread,LeZhang2016/openthread,srickardti/openthread,lanyuwen/openthread,openthread/openthread,jwhui/openthread,erja-gp/openthread,openthread/openthread,abtink/openthread