Clarify Ring-Con configuration message in UI

Not obvious how left controller should be set up
Mention that it should be left physical dual emulated

src/yuzu/configuration/configure_ringcon.ui

@@ -23,7 +23,7 @@
       </size>
      </property>
      <property name="text">
-      <string>If you want to use this controller configure player 1 as right controller and player 2 as dual joycon before starting the game to allow this controller to be detected properly.</string>
+      <string>To use Ring-Con configure player 1 as right JoyCon both physical and emulated, and player 2 as left JoyCon physical and dual (!) JoyCon emulated before starting the game.</string>
      </property>
      <property name="wordWrap">
       <bool>true</bool>