Modify IAR OT_UNUSED_VARIABLE macro. (#1936)
Modify IAR OT_UNUSED_VARIABLE macro. (#1936)


vaas-krish/openthread,librasungirl/openthread,aeliot/openthread,gandreello/openthread,jwhui/openthread,aeliot/openthread,chshu/openthread,openthread/openthread,lanyuwen/openthread,lanyuwen/openthread,bukepo/openthread,georgecpr/openthread,erja-gp/openthread,abtink/openthread,aeliot/openthread,vaas-krish/openthread,vaas-krish/openthread,pvanhorn/openthread,fbsder/openthread,JakubBrachTieto/openthread,openthread/openthread,turon/openthread,erja-gp/openthread,mszczodrak/openthread,lanyuwen/openthread,librasungirl/openthread,fbsder/openthread,LeZhang2016/openthread,jwhui/openthread,JakubBrachTieto/openthread,turon/openthread,fbsder/openthread,lanyuwen/openthread,georgecpr/openthread,abtink/openthread,bukepo/openthread,xiaom-GitHub/openthread,mszczodrak/openthread,openthread/openthread,lanyuwen/openthread,aeliot/openthread,jwhui/openthread,georgecpr/openthread,lanyuwen/openthread,LeZhang2016/openthread,pvanhorn/openthread,chshu/openthread,xiaom-GitHub/openthread,vaas-krish/openthread,fbsder/openthread,mszczodrak/openthread,erja-gp/openthread,gandreello/openthread,turon/openthread,fbsder/openthread,gandreello/openthread,mszczodrak/openthread,librasungirl/openthread,georgecpr/openthread,srickardti/openthread,erja-gp/openthread,vaas-krish/openthread,erja-gp/openthread,LeZhang2016/openthread,turon/openthread,chshu/openthread,chshu/openthread,chshu/openthread,xiaom-GitHub/openthread,LeZhang2016/openthread,gandreello/openthread,georgecpr/openthread,JakubBrachTieto/openthread,pvanhorn/openthread,LeZhang2016/openthread,fbsder/openthread,srickardti/openthread,aeliot/openthread,xiaom-GitHub/openthread,mszczodrak/openthread,abtink/openthread,LeZhang2016/openthread,xiaom-GitHub/openthread,pvanhorn/openthread,JakubBrachTieto/openthread,JakubBrachTieto/openthread,gandreello/openthread,srickardti/openthread,xiaom-GitHub/openthread,mszczodrak/openthread,librasungirl/openthread,pvanhorn/openthread,jwhui/openthread,bukepo/openthread,abtink/openthread,JakubBrachTieto/openthread,gandreello/openthread,erja-gp/openthread,chshu/openthread,aeliot/openthread,srickardti/openthread,pvanhorn/openthread,bukepo/openthread,georgecpr/openthread,openthread/openthread,vaas-krish/openthread