Conflict: Vietnam - Add 60 FPS patch (tested) (#477)

60 FPS patch by asasega. Game runs perfectly well at 60 FPS. Occassions
where it doesn't are barely noticeable around 56–60 FPS and only for a
few short moments, and these can be remedied by overclocking up to 130
or 180%. Areas which would slow down the game considerably are handled
correctly by the game itself, which sets itself back to 30 FPS while
maintaining the correct game speed. (The only example I was able to find
of this is the area in Mission 1 which has a guard tower and a vehicle
repair garage.) Tested thoroughly in Missions 1–4 for about two hours.
All 14 missions except Mission 7 (a boat ride) and Mission 13 (a
helicopter ride) have the exact same core gameplay, and 7 and 13 barely
diverge from this (you are not actually piloting either vehicle). Game
makes minimal use of physics.

patches/SLUS-21045_CC6CBF20.pnach

@@ -14,4 +14,6 @@ patch=1,EE,003095f0,word,34218cc1 //3421a993
 //patch=1,EE,0030962c,word,3c013f0e //3c013f0a
 //patch=1,EE,00309630,word,342190dd //342160dd
 
-
+[60 FPS]
+author=asasega
+patch=1,EE,20303570,word,2C420001