Fix missing port in CDL files.

Previously some CDL files where missing the `SOURCE` value.

Fixes https://github.com/google/skywater-pdk/issues/191

Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>
tree: 6613a9a19fc9293ca49805ad232e6b882f5bf523
  1. cells/
  2. models/
  3. LICENSE
  4. README.rst