Implement HLE macros for render target clears (#3528)

* Implement HLE macros for render target clears

* Add constants for the offsets

Ryujinx.Graphics.Gpu/Engine/MME/MacroHLEFunctionName.cs

@@ -6,6 +6,8 @@
     enum MacroHLEFunctionName
     {
         None,
+        ClearColor,
+        ClearDepthStencil,
         MultiDrawElementsIndirectCount
     }
 }