feat added init function

kernel/vfs/tmpfs.c

@@ -0,0 +1,13 @@
+//
+// Created by rick on 13-08-21.
+//
+
+#include <myke/util/init.h>
+
+void tmpfs_init() {
+}
+
+INIT_FUNCTION(100) = {
+        .name = "tmpfs",
+        .init = tmpfs_init,
+};