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/services/monitoring/prometheus/exporters/dnsmasq.nix

@@ -0,0 +1,38 @@
+{ config, lib, pkgs, options }:
+
+with lib;
+
+let
+  cfg = config.services.prometheus.exporters.dnsmasq;
+in
+{
+  port = 9153;
+  extraOpts = {
+    dnsmasqListenAddress = mkOption {
+      type = types.str;
+      default = "localhost:53";
+      description = ''
+        Address on which dnsmasq listens.
+      '';
+    };
+    leasesPath = mkOption {
+      type = types.path;
+      default = "/var/lib/misc/dnsmasq.leases";
+      example = "/var/lib/dnsmasq/dnsmasq.leases";
+      description = ''
+        Path to the <literal>dnsmasq.leases</literal> file.
+      '';
+    };
+  };
+  serviceOpts = {
+    serviceConfig = {
+      ExecStart = ''
+        ${pkgs.prometheus-dnsmasq-exporter}/bin/dnsmasq_exporter \
+          --listen ${cfg.listenAddress}:${toString cfg.port} \
+          --dnsmasq ${cfg.dnsmasqListenAddress} \
+          --leases_path ${escapeShellArg cfg.leasesPath} \
+          ${concatStringsSep " \\\n  " cfg.extraFlags}
+      '';
+    };
+  };
+}