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/mblock-mlink/default.nix

@@ -0,0 +1,39 @@
+{ stdenv, lib, fetchurl, dpkg, makeWrapper, autoPatchelfHook }:
+
+stdenv.mkDerivation rec {
+  pname = "mblock-mlink";
+  version = "1.2.0";
+
+  src = fetchurl {
+    url = "https://dl.makeblock.com/mblock5/linux/mLink-${version}-amd64.deb";
+    sha256 = "sha256-KLxj81ZjbEvhhaz0seNB4WXX5ybeZ7/WcT1dGfdWle0=";
+  };
+
+  unpackPhase = ''
+    ${dpkg}/bin/dpkg -x $src $out
+  '';
+
+  buildInputs = [
+    stdenv.cc.cc.lib
+  ];
+
+  nativeBuildInputs = [
+    autoPatchelfHook
+  ];
+
+  installPhase = ''
+    mv $out/usr/local/makeblock $out/usr/makeblock
+    rmdir $out/usr/local
+    mkdir -p $out/bin
+    echo $out/usr/makeblock/mLink/mnode $out/usr/makeblock/mLink/app.js > $out/bin/mlink
+    chmod +x $out/bin/mlink
+  '';
+
+  meta = with lib; {
+    description = "Driver for mBlock web version";
+    homepage = "https://mblock.makeblock.com/en-us/download/";
+    license = licenses.unfree;
+    platforms = [ "x86_64-linux" ];
+    maintainers = [ maintainers.mausch ];
+  };
+}