KVM/arm64 fixes for 5.16, take #1
- Fix the host S2 finalization by solely iterating over the memblocks
instead of the whole IPA space
- Tighten the return value of kvm_vcpu_preferred_target() now that
32bit support is long gone
- Make sure the extraction of ESR_ELx.EC is limited to the architected
bits
- Comment fixups