add missing lines

Author: LivInAbsurdism

lib/delux/application.ex

@@ -24,7 +24,8 @@ defmodule Delux.Application do
     config = Application.get_env(:delux, :dt_overlays, [])
 
     Enum.each(config[:pins] || [], fn {label, pin} ->
-      [config[:overlays_path], "label=#{label}", "gpio=#{pin}"]
+      args = [config[:overlays_path], "label=#{label}", "gpio=#{pin}"]
+      System.cmd("dtoverlay", args)
     end)
   end
 end