[BibTool] Added Intel2021TDX (Token portprint2024_OPHXJ37o)

main.bib

@@ -8357,6 +8357,13 @@ Data},
  year = {2021}
 }
 
+@misc{Intel2021TDX,
+ author = {{Intel}},
+ title = {{Intel Trust Domain CPU Architectural Extensions}},
+ volume = {343754-002US},
+ year = {2021}
+}
+
 @misc{Intel2022AEX,
  author = {{Intel}},
  title = {{Asynchronous Enclave Exit Notify and the EDECCSSA User Leaf Function}},