framework: Add framework-laptop-kmod as default for NixOS >= 24.05

framework/13-inch/common/default.nix

@@ -2,6 +2,7 @@
   imports = [
     ../../../common/pc/laptop
     ../../../common/pc/laptop/ssd
+    ../../kmod.nix
   ];
 
   # Fix TRRS headphones missing a mic

framework/kmod.nix

@@ -0,0 +1,17 @@
+{ config, lib, ... }:
+{
+  options.hardware.framework.enableKmod = lib.mkEnableOption (lib.mdDoc
+    "Enable the community created Framework kernel module that allows interacting with the embedded controller from sysfs."
+  ) // {
+    # Enable by default if on new enough version of NixOS
+    default = (lib.versionAtLeast (lib.versions.majorMinor lib.version) "24.05");
+  };
+
+  config = lib.mkIf config.hardware.framework.enableKmod {
+    boot.extraModulePackages = with config.boot.kernelPackages; [
+      framework-laptop-kmod
+    ];
+    # https://github.com/DHowett/framework-laptop-kmod?tab=readme-ov-file#usage
+    boot.kernelModules = [ "cros_ec" "cros_ec_lpcs" ];
+  };
+}