By Sinead Cruise (Reuters) – A former Royal Bank of Scotland managing director is taking to the U.S. Supreme Court his bid to collect a whistleblower award of at least $490 million from the U.S. government for reporting what he called unlawful conduct related to mortgage-backed securities. Victor Hong on Monday appealed a lower court’s ruling that found him ineligible for a whistleblower award under a 2010 federal law because the U.S. Securities and Exchange Commission (SEC) passed along information he provided in 2014 to the Justice Department rather than bringing its own action against RBS, …