Documentation/process: Add AMD contact for embargoed hardware issues

Add myself as the AMD ambassador to the embargoed hardware issues
document.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/process/embargoed-hardware-issues.rst

@@ -240,7 +240,7 @@ an involved disclosed party. The current ambassadors list:
 
   ============= ========================================================
   ARM
-  AMD
+  AMD		Tom Lendacky <tom.lendacky@amd.com>
   IBM
   Intel		Tony Luck <tony.luck@intel.com>
   Qualcomm	Trilok Soni <tsoni@codeaurora.org>