EMERGING MARKETS-Latam stocks flat after China data, banks limit gains

* China posts better than expected Q4 GDP data * Banco do Brasil down on possible Votorantim buy * Brazil Bovespa, Mexico IPC little-changed By Asher Levine and Danielle Assalve SAO PAULO, Jan 18 (Reuters) - Latin American stocks were little-changed on Friday despite better-than-expected economic growth data from China as banks in Brazil and Mexico limited gains. Brazil's benchmark Bovespa stock index hovered neared Thursday's closing level of 62,194 points following two co