KVM: PPC: Only use QPRs when available

BookE KVM doesn't know about QPRs, so let's not try to access then.

This fixes a build error on BookE KVM.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>

arch/powerpc/kvm/powerpc.c

@@ -335,6 +335,7 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
 	case KVM_REG_FPR:
 		vcpu->arch.fpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
 		break;
+#ifdef CONFIG_PPC_BOOK3S
 	case KVM_REG_QPR:
 		vcpu->arch.qpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
 		break;
@@ -342,6 +343,7 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
 		vcpu->arch.fpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
 		vcpu->arch.qpr[vcpu->arch.io_gpr & KVM_REG_MASK] = gpr;
 		break;
+#endif
 	default:
 		BUG();
 	}