Merge branch 'kvm-arm64/pkvm-6.15' into kvmarm/next

Merge branch 'kvm-arm64/pkvm-6.15' into kvmarm/next

* kvm-arm64/pkvm-6.15:
  : pKVM updates for 6.15
  :
  :  - SecPageTable stats for stage-2 table pages allocated by the protected
  :    hypervisor (Vincent Donnefort)
  :
  :  - HCRX_EL2 trap + vCPU initialization fixes for pKVM (Fuad Tabba)
  KVM: arm64: Create each pKVM hyp vcpu after its corresponding host vcpu
  KVM: arm64: Factor out pKVM hyp vcpu creation to separate function
  KVM: arm64: Initialize HCRX_EL2 traps in pKVM
  KVM: arm64: Factor out setting HCRX_EL2 traps into separate function
  KVM: arm64: Count pKVM stage-2 usage in secondary pagetable stats
  KVM: arm64: Distinct pKVM teardown memcache for stage-2
  KVM: arm64: Add flags to kvm_hyp_memcache

Signed-off-by: Oliver Upton <oliver.upton@linux.dev>