Fix setting the default target architecture
Fix setting the default target architecture

chuckries/MIEngine,chuckries/MIEngine,chuckries/MIEngine,chuckries/MIEngine,rajkumar42/MIEngine,csiusers/MIEngine,csiusers/MIEngine,rajkumar42/MIEngine,orbitcowboy/MIEngine,Microsoft/MIEngine,Microsoft/MIEngine,faxue-msft/MIEngine,csiusers/MIEngine,Microsoft/MIEngine,pieandcakes/MIEngine,rajkumar42/MIEngine,faxue-msft/MIEngine,faxue-msft/MIEngine,faxue-msft/MIEngine,pieandcakes/MIEngine,pieandcakes/MIEngine,orbitcowboy/MIEngine,Microsoft/MIEngine,orbitcowboy/MIEngine,orbitcowboy/MIEngine,pieandcakes/MIEngine,csiusers/MIEngine,rajkumar42/MIEngine