Change cbfs-mkstage to use parsed elf instead of calling elf_headers. That
allows us to have access to the complete elf including the string table.
Change-Id: Ie767d28bdf41af38d1df0bce54bc0ada45123136
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: http://review.coreboot.org/7303
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>