feat(nix): update SGX hardware configuration for x1 11th gen

- Replaced `not-detected.nix` import with `lenovo-thinkpad-x1-11th-gen` module from `nixos-hardware`
- Improved hardware compatibility for the 11th generation Lenovo ThinkPad X1

systems/x86_64-linux/sgx/hardware-configuration.nix

@@ -2,15 +2,16 @@
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
 {
-  pkgs,
   config,
   lib,
-  modulesPath,
+  inputs,
   ...
 }:
 
 {
-  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
+  imports = [
+    inputs.nixos-hardware.nixosModules.lenovo-thinkpad-x1-11th-gen
+  ];
 
   boot.initrd.availableKernelModules = [
     "xhci_pci"