(Reuters) - Broadcom Inc forecast full-year 2020 revenue above Wall Street estimates on Thursday, as the company expects to benefit from strong demand for its chips from rising 5G adoption and growth in its software business.The company also beat fourth-quarter revenue and profit estimates, boosted by growth in the software business that helps to manage and secure applications across mobile, cloud and mainframe platforms.Broadcom has diversified its revenue streams and ramped up its..