hwids: add a new efi firmware type of device entry (#35747)

This change adds a new firmware type device entry for the .hwids
section.
It also adds compile time validations and appropriate unit tests for
them.
chid_match() and related helpers have been updated accordingly.

Duplicate of https://github.com/systemd/systemd/pull/35281
Last review feedback's from this above PR has been incorporated and
merged.

@anonymix007