i386/kvm: hv-evmcs requires hv-vapic

Enlightened VMCS is enabled by writing to a field in VP assist page and
these require virtual APIC.
Signed-off-by: NVitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20190517141924.19024-9-vkuznets@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

target/i386/kvm.c

@@ -790,7 +790,8 @@ static struct {
         .flags = {
             {.fw = FEAT_HV_RECOMM_EAX,
              .bits = HV_ENLIGHTENED_VMCS_RECOMMENDED}
-        }
+        },
+        .dependencies = BIT(HYPERV_FEAT_VAPIC)
     },
     [HYPERV_FEAT_IPI] = {
         .desc = "paravirtualized IPI (hv-ipi)",