uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

nixos/modules/hardware/ckb-next.nix

@@ -0,0 +1,53 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.hardware.ckb-next;
+
+in
+  {
+    imports = [
+      (mkRenamedOptionModule [ "hardware" "ckb" "enable" ] [ "hardware" "ckb-next" "enable" ])
+      (mkRenamedOptionModule [ "hardware" "ckb" "package" ] [ "hardware" "ckb-next" "package" ])
+    ];
+
+    options.hardware.ckb-next = {
+      enable = mkEnableOption "the Corsair keyboard/mouse driver";
+
+      gid = mkOption {
+        type = types.nullOr types.int;
+        default = null;
+        example = 100;
+        description = ''
+          Limit access to the ckb daemon to a particular group.
+        '';
+      };
+
+      package = mkOption {
+        type = types.package;
+        default = pkgs.ckb-next;
+        defaultText = literalExpression "pkgs.ckb-next";
+        description = ''
+          The package implementing the Corsair keyboard/mouse driver.
+        '';
+      };
+    };
+
+    config = mkIf cfg.enable {
+      environment.systemPackages = [ cfg.package ];
+
+      systemd.services.ckb-next = {
+        description = "Corsair Keyboards and Mice Daemon";
+        wantedBy = ["multi-user.target"];
+        serviceConfig = {
+          ExecStart = "${cfg.package}/bin/ckb-next-daemon ${optionalString (cfg.gid != null) "--gid=${builtins.toString cfg.gid}"}";
+          Restart = "on-failure";
+        };
+      };
+    };
+
+    meta = {
+      maintainers = with lib.maintainers; [ kierdavis ];
+    };
+  }