* add Ubuntu20.04 LCC: X86: use Ubuntu20.04 compiled aarch64: use Ubuntu16.04 compiled * version updated to: 1.8.1.U20LCC.R.0
* add Ubuntu20.04 LCC: X86: use Ubuntu20.04 compiled aarch64: use Ubuntu16.04 compiled * version updated to: 1.8.1.U20LCC.R.0