libpayload already contained a number of functions for convenient
access to CMOS configuration. Add functions to support iteration
over available enum fields.
Change-Id: If95f45d7223d2e19c42f1d8680c12d23f6890a01
Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Reviewed-on: http://review.coreboot.org/1538
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
08ed5a8697