Implement SHF (funnel shift) shader instruction (#2702)

* Implement SHF shader instruction

* Shader cache version bump

* Better name

Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs

@@ -40,7 +40,7 @@ namespace Ryujinx.Graphics.Gpu.Shader
         /// <summary>
         /// Version of the codegen (to be changed when codegen or guest format change).
         /// </summary>
-        private const ulong ShaderCodeGenVersion = 2697;
+        private const ulong ShaderCodeGenVersion = 2702;
 
         // Progress reporting helpers
         private volatile int _shaderCount;