arm64: Stash kvm_vcpu_init for later use A subsequent change will add support for resetting a vCPU, which requires reissuing the KVM_ARM_VCPU_INIT ioctl. Save the kvm_vcpu_init worked out for later use. Reviewed-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Oliver Upton <oliver.upton@linux.dev> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Will Deacon <will@kernel.org>