Set accepted EULA version to max value (#4728)

* Set accepted EULA version to max value

CFG: write the max value of 0x7F7F to the default cfg savegame and
auto update on init

CECD: Actually read the EULA version from CFG

src/core/hle/service/cfg/cfg.h

@@ -47,6 +47,11 @@ enum SystemLanguage {
 
 enum SoundOutputMode { SOUND_MONO = 0, SOUND_STEREO = 1, SOUND_SURROUND = 2 };
 
+struct EULAVersion {
+    u8 minor;
+    u8 major;
+};
+
 /// Block header in the config savedata file
 struct SaveConfigBlockEntry {
     u32 block_id;       ///< The id of the current block
@@ -398,6 +403,18 @@ public:
      */
     u64 GetConsoleUniqueId();
 
+    /**
+     * Sets the accepted EULA version in the config savegame.
+     * @param version the version to set
+     */
+    void SetEULAVersion(const EULAVersion& version);
+
+    /**
+     * Gets the accepted EULA version from config savegame.
+     * @returns the EULA version
+     */
+    EULAVersion GetEULAVersion();
+
     /**
      * Writes the config savegame memory buffer to the config savegame file in the filesystem
      * @returns ResultCode indicating the result of the operation, 0 on success