[BUILD/DOC] add literariness and multipackage

Updates the DSL to the new version. The new
version supports literate programming as well
as specifying multiple packages per component.

Change-Id: I4132b3db302c7fabb096eb52e2f5b8f1761f1294
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/2024
Tested-by: Jenkins CI
Reviewed-by: Arsenij Solovjev <xeper000@gmail.com>