[util] Limit Sonic CD to 60 fps

Game engine physics/speed for Sonic CD is tied to frame rate so limit max frame rate to 60 fps. Otherwise, the game runs too quickly for high refresh rate monitors.

src/util/config/config.cpp

@@ -836,6 +836,10 @@ namespace dxvk {
     { R"(\\SkyDrift\.exe$)" , {{
       { "d3d9.allowDirectBufferMapping",    "False" },
     }} },
+    /* Sonic CD                                */
+    { R"(\\soniccd\.exe$)", {{
+      { "d3d9.maxFrameRate",                "60" },
+    }} },
 
     /**********************************************/
     /* D3D12 GAMES (vkd3d-proton with dxvk dxgi)  */