By Jane Lanhee Lee SAN FRANCISCO (Reuters) – SoftBank Group Corp’s chip technology firm Arm Ltd on Thursday reported record revenue for 2021, and Chief Executive Rene Haas told Reuters its business for new chip designs indicates a strong outlook. SoftBank plans to take the British tech company public. Regulatory hurdles stopped a deal to sell it to U.S. chip maker Nvidia Corp. Arm, which makes the basic blueprint used to design chips, had revenue of $2.7 billion last year, up 35% from the previous year. Licensing business revenue rose 61% to $1.13 billion and royalties, tracking the numbers of…