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: 6d755ec9b3ca1fb3da179851c477e6885301267b
  1. cells/
  2. models/
  3. tech/
  4. LICENSE
  5. README.rst