RootCanal: Make PDL definitions for periodic advertising spec compliant

- Rename commands and fields to match the specification.
- Add definition for raw periodic advertising data.
- Fix some bit-fields that are incorrectly marked as enum.

Test: mmm packages/modules/Bluetooth
Bug: 275847929
Change-Id: Iddf5c4962f315e6bc0bbabf10536bab37bba6339