Annotate all data with DUSK_GAME_DATA (#2214)

The hope of auto-importing data via lld MinGW
+ pseudo_reloc is now dead thanks to ARM64,
so I just wrote a script to go annotate every
exported data symbol in the game instead.

src/d/d_item.cpp

@@ -2187,4 +2187,4 @@ int addBombCount(u8 i_bombType, u8 i_addNum) {
     return i_addNum;
 }
 
-u8* dEnemyItem_c::mData;
+DUSK_GAME_DATA u8* dEnemyItem_c::mData;