Return quarter value for PerfQuery in all backends.

Source/Core/VideoBackends/D3D/D3DPerfQuery.cpp

@@ -96,7 +96,7 @@ u32 PerfQuery::GetQueryResult(PerfQueryType type)
     result = m_results[PQG_EFB_COPY_CLOCKS].load(std::memory_order_relaxed);
   }
 
-  return result;
+  return result / 4;
 }
 
 void PerfQuery::FlushOne()

Source/Core/VideoBackends/Metal/MTLPerfQuery.mm

@@ -46,7 +46,7 @@ u32 Metal::PerfQuery::GetQueryResult(PerfQueryType type)
     result = m_results[PQG_EFB_COPY_CLOCKS].load(std::memory_order_relaxed);
   }
 
-  return result;
+  return result / 4;
 }
 
 void Metal::PerfQuery::FlushResults()

Source/Core/VideoBackends/OGL/OGLPerfQuery.cpp

@@ -80,7 +80,7 @@ u32 PerfQuery::GetQueryResult(PerfQueryType type)
     result = m_results[PQG_EFB_COPY_CLOCKS].load(std::memory_order_relaxed);
   }
 
-  return result;
+  return result / 4;
 }
 
 // Implementations