Added extra info on cross-compiling on newer Ubuntu system
Added extra info on cross-compiling on newer Ubuntu system


Former-commit-id: 79e9dd6ebd047913b5e7c82ba7b0142fb86c79ef
hyperion-project/hyperion.ng,redPanther/hyperion.ng,hyperion-project/hyperion,ntim/hyperion,redPanther/hyperion.ng,hyperion-project/hyperion.ng,penfold42/hyperion.ng,Funatiq/hyperion.ng,ntim/hyperion,penfold42/hyperion.ng,redPanther/hyperion.ng,hyperion-project/hyperion,redPanther/hyperion.ng,Funatiq/hyperion.ng,ntim/hyperion,hyperion-project/hyperion.ng,ntim/hyperion,hyperion-project/hyperion.ng,Funatiq/hyperion.ng,hyperion-project/hyperion.ng,ntim/hyperion,hyperion-project/hyperion,hyperion-project/hyperion.ng,redPanther/hyperion.ng,Funatiq/hyperion.ng,hyperion-project/hyperion,redPanther/hyperion.ng,Funatiq/hyperion.ng,penfold42/hyperion.ng,Funatiq/hyperion.ng,penfold42/hyperion.ng,ntim/hyperion,hyperion-project/hyperion,hyperion-project/hyperion,penfold42/hyperion.ng,penfold42/hyperion.ng