target-i386: Add missing kvm cpuid feature name

Currently "-cpu host,-kvmclock,-kvm_nopiodelay,-kvm_mmu" does not
turn off all bits in CPUID 0x40000001 EAX.

The missing ones is KVM_FEATURE_STEAL_TIME.

This adds the name kvm_steal_time.

Signed-off-by: Don Slutz <Don@CloudSwitch.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

target-i386/cpu.c

@@ -88,10 +88,14 @@ static const char *ext3_feature_name[] = {
 };
 
 static const char *kvm_feature_name[] = {
-    "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock", "kvm_asyncpf", NULL, "kvm_pv_eoi", NULL,
-    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+    "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
+    "kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", NULL,
+    NULL, NULL, NULL, NULL,
+    NULL, NULL, NULL, NULL,
+    NULL, NULL, NULL, NULL,
+    NULL, NULL, NULL, NULL,
+    NULL, NULL, NULL, NULL,
+    NULL, NULL, NULL, NULL,
 };
 
 static const char *svm_feature_name[] = {