Hermes has an EEPROM with firmware configuration data. Add definitions
to read and verify the `board settings` from the EEPROM. Subsequent
commits will hook up these EEPROM settings.
Change-Id: Id86632192ae53fd6b0e4df5b26b5a0a81e972818
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48806
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>