Config: Port SI device settings to new config system.

Source/Core/Core/ConfigLoaders/GameConfigLoader.cpp

@@ -75,6 +75,10 @@ static const INIToLocationMap& GetINIToLocationMap()
       {{"Wii", "Language"}, {Config::SYSCONF_LANGUAGE.GetLocation()}},
       {{"Core", "HLE_BS2"}, {Config::MAIN_SKIP_IPL.GetLocation()}},
       {{"Core", "GameCubeLanguage"}, {Config::MAIN_GC_LANGUAGE.GetLocation()}},
+      {{"Core", "PadType0"}, {Config::GetInfoForSIDevice(0).GetLocation()}},
+      {{"Core", "PadType1"}, {Config::GetInfoForSIDevice(1).GetLocation()}},
+      {{"Core", "PadType2"}, {Config::GetInfoForSIDevice(2).GetLocation()}},
+      {{"Core", "PadType3"}, {Config::GetInfoForSIDevice(3).GetLocation()}},
   };
   return ini_to_location;
 }