[init] Show startup and shutdown function names in debug messages

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/hci/linux_args.c

@@ -185,6 +185,7 @@ void linux_args_cleanup(int flags __unused)
 }
 
 struct startup_fn startup_linux_args __startup_fn(STARTUP_EARLY) = {
+	.name = "linux_args",
 	.startup = linux_args_parse,
 	.shutdown = linux_args_cleanup,
 };