s390: simplify kvm cpu init

There is no special code right now and the reset ioctl is done later
on in the the reset handler anyway. Lets simplify the cpu init.
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: NAlexander Graf <agraf@suse.de>

target-s390x/kvm.c

@@ -103,13 +103,8 @@ unsigned long kvm_arch_vcpu_id(CPUState *cpu)
 
 int kvm_arch_init_vcpu(CPUState *cpu)
 {
-    int ret = 0;
-
-    if (kvm_vcpu_ioctl(cpu, KVM_S390_INITIAL_RESET, NULL) < 0) {
-        perror("cannot init reset vcpu");
-    }
-
-    return ret;
+    /* nothing todo yet */
+    return 0;
 }
 
 void kvm_arch_reset_vcpu(CPUState *cpu)