add setting to game inis to use memory card 251 for games that cannot use large memory cards

Data/Sys/GameSettings/GWTEA4.ini

@@ -2,6 +2,9 @@
 
 [Core]
 # Values set here will override the main dolphin settings.
+# This game does not work properly with large memorycards, use a 251 block card
+# see http://www.nintendo.com/consumer/memorycard1019.jsp
+MemoryCard251 = True
 
 [EmuState]
 # The Emulation State. 1 is worst, 5 is best, 0 is not set.