By Foo Yun Chee BRUSSELS (Reuters) – U.S. chipmaker Broadcom will seek early European Union antitrust approval of its proposed $61 billion buy of cloud computing company VMware by pointing to competition from Amazon, Microsoft and Google, people familiar with the matter said. Announced in May, the deal is the second biggest globally so far this year and marks Broadcom’s attempt to diversify its business into enterprise software. Tech deals have drawn intense scrutiny from regulators around the world concerned about power concentration in a few players and the possibility of bigger companies ac…