citra_qt: Add a game region column

src/core/loader/smdh.h

@@ -62,6 +62,18 @@ struct SMDH {
         TraditionalChinese = 11
     };
 
+    enum class GameRegion {
+        Invalid = -1,
+        Japan = 0,
+        NorthAmerica = 1,
+        Europe = 2,
+        Australia = 3,
+        China = 4,
+        Korea = 5,
+        Taiwan = 6,
+        RegionFree = 7,
+    };
+
     /**
      * Gets game icon from SMDH
      * @param large If true, returns large icon (48x48), otherwise returns small icon (24x24)
@@ -75,6 +87,8 @@ struct SMDH {
      * @return UTF-16 array of the short title
      */
     std::array<u16, 0x40> GetShortTitle(Loader::SMDH::TitleLanguage language) const;
+
+    GameRegion GetRegion() const;
 };
 static_assert(sizeof(SMDH) == 0x36C0, "SMDH structure size is wrong");