Port Wiimote source settings to the new config system

This lets us finally get rid of BootManager's ConfigCache!

Source/Core/Core/ConfigLoaders/GameConfigLoader.cpp

@@ -26,6 +26,7 @@
 
 #include "Core/Config/MainSettings.h"
 #include "Core/Config/SYSCONFSettings.h"
+#include "Core/Config/WiimoteSettings.h"
 #include "Core/ConfigLoaders/IsSettingSaveable.h"
 
 namespace ConfigLoaders
@@ -79,6 +80,11 @@ static const INIToLocationMap& GetINIToLocationMap()
       {{"Controls", "PadType1"}, {Config::GetInfoForSIDevice(1).GetLocation()}},
       {{"Controls", "PadType2"}, {Config::GetInfoForSIDevice(2).GetLocation()}},
       {{"Controls", "PadType3"}, {Config::GetInfoForSIDevice(3).GetLocation()}},
+      {{"Controls", "WiimoteSource0"}, {Config::WIIMOTE_1_SOURCE.GetLocation()}},
+      {{"Controls", "WiimoteSource1"}, {Config::WIIMOTE_2_SOURCE.GetLocation()}},
+      {{"Controls", "WiimoteSource2"}, {Config::WIIMOTE_3_SOURCE.GetLocation()}},
+      {{"Controls", "WiimoteSource3"}, {Config::WIIMOTE_4_SOURCE.GetLocation()}},
+      {{"Controls", "WiimoteSourceBB"}, {Config::WIIMOTE_BB_SOURCE.GetLocation()}},
   };
   return ini_to_location;
 }