[FEATURE] Revise parallel interface for static timing

- Parallel bus slave holds final state until bus master deactivates it's
  qualifiers.
- Parallel bus master starts next transaction after slave's ack signal is
  deasserted.

Change-Id: I3e55fe9e1cb63ee9d7f9de6143f4468174383ea8
[TASK] Remove parallel interface from host interface ipcore

Change-Id: I60c4a41348592788bd2315546ebb6a581c9ce2ca
[FIX] Fix parallel slave for odd address/data width

Change-Id: Ie6f88b5470ecc0d98f73c674d306949741ecd2ae
[FIX] Fix parallel master and slave release scripts

Change-Id: I7302ab80d23eee7866c6c7d9e4e529071b24db88
[TASK] Revise host interface documentation

- Remove parallel interface waveforms

Change-Id: I55a16445b8b17f78aa2c4c07c6a4d33c1319bb9f