lib: support SMBIOS3 table in uuid_guid_get_str()

As we support installing SMBIOS3 tables in U-Boot we need to add this GUID
to the translation table used buy uuid_guid_get_str().

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Mark Kettenis <kettenis@openbsd.org>