[continuous-integration] add clang 32 bit build (#4896)
[continuous-integration] add clang 32 bit build (#4896)

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