s390x: Fix debugging for unknown sigp order codes

On unknown sigp order codes we print a debug message. This patch
fixes the output, since we want to see the order_code and not
the register numbers.
Patch applies on agraf tree.
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: NAlexander Graf <agraf@suse.de>

target-s390x/kvm.c

@@ -377,7 +377,7 @@ static int handle_sigp(CPUState *env, struct kvm_run *run, uint8_t ipa1)
             r = s390_cpu_initial_reset(target_env);
             break;
         default:
-            fprintf(stderr, "KVM: unknown SIGP: 0x%x\n", ipa1);
+            fprintf(stderr, "KVM: unknown SIGP: 0x%x\n", order_code);
             break;
     }