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/development/tools/sslmate-agent/default.nix

@@ -0,0 +1,40 @@
+{ lib, stdenv, fetchurl, dpkg, autoPatchelfHook }:
+
+stdenv.mkDerivation rec {
+  pname = "sslmate-agent";
+  version = "1.99.11";
+
+  src = fetchurl {
+    url = "https://packages.sslmate.com/debian/pool/sslmate2/s/sslmate-client/${pname}_${version}-1_amd64.deb";
+    sha256 = "sha256-LBiZI0pGAFWnvTigEhtkhHq4FGdbYiMzjLheMuP0YTU=";
+  };
+
+  nativeBuildInputs = [
+    dpkg
+    autoPatchelfHook
+  ];
+
+  unpackCmd = ''
+    dpkg-deb -x ${src} ./sslmate-agent-${pname}
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    # Not moving etc because it only contains init.rd setttings
+    mv usr $out
+    mv lib $out
+
+    substituteInPlace $out/lib/systemd/system/sslmate-agent.service \
+      --replace "/usr/s" "$out/"
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Daemon for managing SSL/TLS certificates on a server";
+    homepage = "https://sslmate.com/";
+    license = licenses.unfree;
+    maintainers = with maintainers; [ wolfangaukang ];
+  };
+}