qom: Unify type registration

Replace device_init() with generalized type_init().

While at it, unify naming convention: type_init([$prefix_]register_types)
Also, type_init() is a function, so add preceding blank line where
necessary and don't put a semicolon after the closing brace.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Cc: Anthony Liguori <anthony@codemonkey.ws>
Cc: malc <av1474@comtv.ru>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c
index 4859212..86014aa 100644
--- a/hw/scsi-generic.c
+++ b/hw/scsi-generic.c
@@ -483,10 +483,11 @@
     .class_init    = scsi_generic_class_initfn,
 };
 
-static void scsi_generic_register_devices(void)
+static void scsi_generic_register_types(void)
 {
     type_register_static(&scsi_generic_info);
 }
-device_init(scsi_generic_register_devices)
+
+type_init(scsi_generic_register_types)
 
 #endif /* __linux__ */