MacroHLE: Add HLE replacement for base vertex and base instance.

src/shader_recompiler/varying_state.h

@@ -11,7 +11,7 @@
 namespace Shader {
 
 struct VaryingState {
-    std::bitset<256> mask{};
+    std::bitset<512> mask{};
 
     void Set(IR::Attribute attribute, bool state = true) {
         mask[static_cast<size_t>(attribute)] = state;