KVM: arm/arm64: Rename kvm_arm_config_vm to kvm_arm_setup_stage2

VM tends to be a very overloaded term in KVM, so let's keep it
to describe the virtual machine. For the virtual memory setup,
let's use the "stage2" suffix.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

virt/kvm/arm/arm.c

@@ -120,7 +120,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
 {
 	int ret, cpu;
 
-	ret = kvm_arm_config_vm(kvm, type);
+	ret = kvm_arm_setup_stage2(kvm, type);
 	if (ret)
 		return ret;