EMERGING MARKETS-Brazil stocks hit by weak data, Mexico dips

* Brazil's economy grows less than expected in Q4 * Brazil's Bovespa falls 0.94 pct, Mexico IPC down 0.28 pct By Danielle Assalve SAO PAULO, March 1 (Reuters) - Stocks in Brazil fell on Friday, hurt by data that showed its economy grew less than expected late last year, while Mexican stocks dipped on concerns about the local impact from expected U.S. government spending cuts. Brazil's Bovespa index fell 0.94 percent to 56,883.99, cutting into a rebound from a three-week low that