Update config.cpp

Insane Performance increase

src/util/config/config.cpp

@@ -807,6 +807,7 @@ namespace dxvk {
      * Black textures                          */
     { R"(\\eldorado\.exe$)", {{
       { "d3d9.floatEmulation",              "Strict"   },
+      { "d3d9.allowDirectBufferMapping",    "False" },
     }} },
     /* Injustice: Gods Among Us                *
      * Locks a buffer that's still in use      */