By Trevor Hunnicutt PYEONGTAEK, South Korea (Reuters) – Joe Biden’s first stop on his inaugural trip to Asia as U.S. president on Friday was a massive Samsung Electronics semiconductor plant, underscoring a message of economic security with an eye on China. Biden landed at the U.S. air base in Osan, south of Seoul, and immediately drove to Samsung’s nearby factory, the largest semiconductor plant in the world. There he greeted South Korean President Yoon Suk-yeol, a relative newcomer to politics, for the first time in person. In remarks at the plant, Biden said the future would be written in t…