dev: implement driver objects to organise and identify devices

arch/x86_64/init.c

@@ -1,5 +1,6 @@
 #include <socks/pmap.h>
 #include <socks/device.h>
+#include <socks/kext.h>
 #include <socks/clock.h>
 #include <socks/types.h>
 #include <socks/object.h>
@@ -79,6 +80,8 @@ int ml_init(uintptr_t arg)
 	vm_bootstrap(vm_zones, sizeof vm_zones / sizeof vm_zones[0]);
 
 	object_bootstrap();
+	init_kernel_kext();
+
 	sched_init();
 
 	device_init();