pkg/cbfs/types: fix lint issues
pkg/cbfs/types: fix lint issues

`cd pkg; golangci-lint run --path-prefix=pkg` yielded lots of
SA9004: only the first constant in this group has an explicit type

Signed-off-by: Daniel Maslowski <59bd0a3ff43b32849b319e645d4798d8a5d1e889@orangecms.org>

linuxboot/fiano