Since Zen-based CPUs, cpu_id_t::l3_cache is the size of the total L3 cache for the whole chip, while cpu_id_t::l1_cache and cpu_id_t::l2_cache are size for each instances.
This change provide L3 cache size per instance.
Since ff5aafb5f4, xeon-scalable-4114.test and qemu.test are failling because RAW came from a VM.
Since 2b8023f733, godavari-x4.test is failling due to the merge after 9710e7c0ba