OpenGL: Max UBO checks

src/shader_recompiler/runtime_info.h

@@ -86,6 +86,9 @@ struct RuntimeInfo {
     /// Transform feedback state for each varying
     std::array<TransformFeedbackVarying, 256> xfb_varyings{};
     u32 xfb_count{0};
+
+    /// Maximum number of UBO/CBUF bindings allowed by the host device
+    u32 max_num_cbufs{32};
 };
 
 } // namespace Shader