qdev: set properties with device_class_set_props()

The following patch will need to handle properties registration during
class_init time. Let's use a device_class_set_props() setter.

spatch --macro-file scripts/cocci-macro-file.h  --sp-file
./scripts/coccinelle/qdev-set-props.cocci --keep-comments --in-place
--dir .

@@
typedef DeviceClass;
DeviceClass *d;
expression val;
@@
- d->props = val
+ device_class_set_props(d, val)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200110153039.1379601-20-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/hw/char/serial-pci.c b/hw/char/serial-pci.c
index b6a73c6..743552c 100644
--- a/hw/char/serial-pci.c
+++ b/hw/char/serial-pci.c
@@ -100,7 +100,7 @@
     pc->revision = 1;
     pc->class_id = PCI_CLASS_COMMUNICATION_SERIAL;
     dc->vmsd = &vmstate_pci_serial;
-    dc->props = serial_pci_properties;
+    device_class_set_props(dc, serial_pci_properties);
     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
 }