Performance Plugins Handler & Thermal Management
Created by: nicola-mazzucato-arm
This PR brings a number of improvements and additions that are related together.
In particular:
- some fixes/improvements for fwk_string
- scmi_perf module: Fix for the plugins-handler dependency identifier
- performance plugins handler: additions to handle more than one plugin and support for full domains snapshot
- thermal management: add thermal management module to distribute power/performance across DVFS domains according to the thermal status of the platform
- TC0 software variant: TC0 is chosen as a reference platform to test three power/performance features available in firmware: MPMM, Traffic-cop and Thermal management.