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>

pkgs/os-specific/linux/service-wrapper/default.nix

@@ -0,0 +1,28 @@
+{ lib, stdenv, runCommand, substituteAll, coreutils }:
+
+let
+  name = "service-wrapper-${version}";
+  version = "19.04"; # Akin to Ubuntu Release
+in
+runCommand name {
+  script = substituteAll {
+    src = ./service-wrapper.sh;
+    isExecutable = true;
+    inherit (stdenv) shell;
+    inherit coreutils;
+  };
+
+  meta = with lib; {
+    description = "A convenient wrapper for the systemctl commands, borrow from Ubuntu";
+    license     = licenses.gpl2Plus;
+    platforms   = platforms.linux;
+    maintainers = with maintainers; [ DerTim1 ];
+    # Shellscript has been modified but upstream source is: https://git.launchpad.net/ubuntu/+source/init-system-helpers
+  };
+}
+''
+  mkdir -p $out/bin
+  ln -s $out/bin $out/sbin
+  cp $script $out/bin/service
+  chmod a+x $out/bin/service
+''