feat(x86_64-linux): add IPU6 platform configuration

Introduce a new module, ipu.nix, enabling IPU6 platform support. This change aids in configuring specific hardware settings and includes the setup for future kernel package adjustments. The IPU6 module is prepared for integration but is currently commented out in the imports for further testing.

systems/x86_64-linux/x1/default.nix

@@ -2,7 +2,10 @@
 with lib;
 with lib.metacfg;
 {
-  imports = [ ./hardware-configuration.nix ];
+  imports = [
+    ./hardware-configuration.nix
+    # ./ipu.nix
+  ];
 
   metacfg = {
     base.enable = true;

systems/x86_64-linux/x1/ipu.nix

@@ -0,0 +1,16 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+
+{
+  #boot.kernelPackages = lib.mkForce pkgs.linuxPackages_6_11;
+
+  hardware.ipu6 = {
+    platform = "ipu6ep";
+    enable = true;
+  };
+}