lenovo/thinkpad/t495: init from e495.

The E495 and T495 are based on the same core Ryzen platform, so the
E495 tweaks apply similarly to the T495.

Tested on my own T495, works well.

README.md

@@ -59,6 +59,7 @@ See code for all available configurations.
 | Lenovo ThinkPad T470s             | `<nixos-hardware/lenovo/thinkpad/t470s>`           |
 | Lenovo ThinkPad T480s             | `<nixos-hardware/lenovo/thinkpad/t480s>`           |
 | Lenovo ThinkPad T490              | `<nixos-hardware/lenovo/thinkpad/t490>`            |
+| Lenovo ThinkPad T495              | `<nixos-hardware/lenovo/thinkpad/t495>`            |
 | Lenovo ThinkPad X140e             | `<nixos-hardware/lenovo/thinkpad/x140e>`           |
 | Lenovo ThinkPad X220              | `<nixos-hardware/lenovo/thinkpad/x220>`            |
 | Lenovo ThinkPad X230              | `<nixos-hardware/lenovo/thinkpad/x230>`            |

lenovo/thinkpad/t495/default.nix

@@ -0,0 +1,11 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [
+    ../.
+    ../../../common/cpu/amd
+  ];
+
+  # see https://github.com/NixOS/nixpkgs/issues/69289
+  boot.kernelPackages = lib.mkIf (lib.versionOlder pkgs.linux.version "5.2") pkgs.linuxPackages_latest;
+}