The software itself is licensed under the copy-left GPL-3.0 license. All
RTL (i.e., templates and widgets) are licensed under the MIT license.
Therefore, the generated RTL will not be subject to the GPL-3.0 but to
the MIT license.
This commit only adds package supports for addrmaps. It should be
relatively easy to extend this for regfiles in a future commit.
Furthermore, this commit adds support to _disable_ enums.