B y Patricia Zengerle WASHINGTON, July 19 (Reuters) – The U.S. Senate is due to vote later on Tuesday on a slimmed-down version of legislation to provide $ 52 billion in subsidies and tax credits for the computer chip industry, over a year after passing its first version of a bill boosting semiconductor competition with China. The bill is part of U.S. efforts to address an industry-wide chip shortage that has disrupted production in the automotive and electronics industries, forcing some firms to scale back production. Senate aides said the bill would include a new, four-year 25% tax credit to…