hyperv: express dependencies with kconfig

remove default-configs/hyperv.mak and make dependencies
with Kconfig.

Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190123065618.3520-41-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

default-configs/hyperv.mak

@@ -1,2 +0,0 @@
-CONFIG_HYPERV=$(CONFIG_KVM)
-CONFIG_HYPERV_TESTDEV=y

default-configs/i386-softmmu.mak

@@ -1,6 +1,5 @@
 # Default configuration for i386-softmmu
 
-include hyperv.mak
 CONFIG_VMXNET3_PCI=y
 CONFIG_VIRTIO_VGA=y
 CONFIG_IPMI=y

hw/hyperv/Kconfig

@@ -1,5 +1,8 @@
 config HYPERV
     bool
+    depends on KVM
 
 config HYPERV_TESTDEV
     bool
+    default y if TEST_DEVICES
+    depends on HYPERV

hw/i386/Kconfig

@@ -4,6 +4,7 @@ config SEV
 
 config PC
     bool
+    imply HYPERV
     imply QXL
     imply SEV
     imply TPM_CRB