tldr

• Add a feature flag which denotes AMD CPUs supporting workload classification with the purpose of using such hints when making scheduling decisions

• Determine the boost enumerator for each AMD core based on its type: efficiency or performance, in the cppc driver

• Add the type of a CPU to the topology CPU descriptor with the goal of supporting and making decisions based on the type of the respective core

• Add a feature flag to denote AMD cores which have heterogeneous topology and enable SD_ASYM_PACKING for those

• Check microcode revisions before disabling PCID on Intel

• Cleanups and fixlets