Merge pull request #243435 from thillux/bluefield2

lib/systems/examples.nix

···
     config = "armv6l-unknown-linux-gnueabihf";
   } // platforms.raspberrypi;
 
+  bluefield2 = {
+    config = "aarch64-unknown-linux-gnu";
+  } // platforms.bluefield2;
+
   remarkable1 = {
     config = "armv7l-unknown-linux-gnueabihf";
   } // platforms.zero-gravitas;

lib/systems/platforms.nix

···
   # Legacy attribute, for compatibility with existing configs only.
   raspberrypi2 = armv7l-hf-multiplatform;
 
+  # Nvidia Bluefield 2 (w. crypto support)
+  bluefield2 = {
+    gcc = {
+      arch = "armv8-a+fp+simd+crc+crypto";
+      cpu = "cortex-a72";
+    };
+  };
+
   zero-gravitas = {
     linux-kernel = {
       name = "zero-gravitas";