The subprime market is bracing for another round of controversy as preliminary Home Mortgage Disclosure Act data show that minority borrowers got more high-priced loans last year than they did in 2004 – and that the gap between those borrowers and their white counterparts widened. The first warning about the HMDA data was sounded by the Federal Reserve Board. In a recent update to its Q&A on HMDA, the agency said that a preliminary…