Add a test suite targeting opentitan peripherals Adapted from renodes tests/platforms/OpenTitan-EarlGrey.robot - Update binary paths to locally built opentitan artifacts - Remove tests that depend on LoadBinary() initialization as vmem image loading is the prefered way to use the rom controller - Refer to our generated repl file Change-Id: Icbbae7e2c93365cdbf6c3459f469a0c1b6a4e3fe