Merge changes from topic "for-lts-v2.10.3" into lts-v2.10
* changes:
chore: rename Poseidon to Neoverse V3
feat(cpu): add support for Poseidon V CPU
fix(cpu): correct variant name for default Poseidon CPU
fix(cpus): workaround for Cortex-A715 erratum 2413290
fix(cpus): workaround for Cortex-A720 erratum 2926083
chore: update status of Cortex-X3 erratum 2615812
fix(cpus): workaround for Cortex-A720 erratum 2940794
fix(cpus): fix a defect in Cortex-A715 erratum 2561034
fix(cpus): workaround for Cortex-A715 erratum 2413290
docs(sdei): provide security guidelines when using SDEI
docs(threat_model): mark power analysis threats out-of-scope
fix(cpus): workaround for Cortex-A715 erratum 2344187
fix(cpus): workaround for Cortex-X4 erratum 2701112
fix(cpus): workaround for Cortex-A715 erratum 2331818
fix(cpus): workaround for Cortex-A715 erratum 2420947
fix(gic600): workaround for Part 1 of GIC600 erratum 2384374
chore: rearrange the fvp_cpu_errata.mk file
fix(cpus): add erratum 2701951 to Cortex-X3's list
refactor(errata-abi): workaround platforms non-arm interconnect
refactor(errata-abi): optimize errata ABI using errata framework
fix(cpus): workaround for Cortex-A715 erratum 2429384
fix(cpus): workaround for Cortex-X3 erratum 2372204