feat(halo): enable hw graphics

systems/x86_64-linux/halo/default.nix

@@ -18,6 +18,19 @@ with lib.metacfg;
     8000
   ];
 
+  hardware.graphics = {
+    enable = true;
+
+    extraPackages =
+      [ ]
+      ++ lib.optionals pkgs.stdenv.targetPlatform.isx86_64 (
+        with pkgs;
+        [
+          rocmPackages.clr.icd
+        ]
+      );
+  };
+
   systemd.tmpfiles.rules =
     let
       rocmEnv = pkgs.symlinkJoin {
@@ -28,7 +41,8 @@ with lib.metacfg;
           clr
         ];
       };
-  in [
+    in
+    [
       "L+    /opt/rocm   -    -    -     -    ${rocmEnv}"
     ];