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/misc/drivers/sundtek/default.nix

@@ -0,0 +1,52 @@
+{ fetchurl, lib, stdenv }:
+
+with lib;
+
+let
+  version = "2016-01-26";
+  rpath = makeLibraryPath [ "$out/lib" "$out/bin" ];
+  platform = with stdenv;
+    if isx86_64 then "64bit"
+    else
+    if isi686 then "32bit"
+    else throw "${system} not considered in build derivation. Might still be supported.";
+  sha256 = with stdenv;
+    if isx86_64 then "1jfsng5n3phw5rqpkid9m5j7m7zgj5bifh7swvba7f97y6imdaax"
+    else "15y6r5w306pcq4g1rn9f7vf70f3a7qhq237ngaf0wxh2nr0aamxp";
+
+in
+  stdenv.mkDerivation {
+    src = fetchurl {
+      url = "http://www.sundtek.de/media/netinst/${platform}/installer.tar.gz";
+      sha256 = sha256;
+    };
+    pname = "sundtek";
+    inherit version;
+
+    sourceRoot = ".";
+
+    installPhase = ''
+      cp -r opt $out
+
+      # add and fix pkg-config file
+      mkdir -p $out/lib/pkgconfig
+      substitute $out/doc/libmedia.pc $out/lib/pkgconfig/libmedia.pc \
+        --replace /opt $out
+    '';
+
+    postFixup = ''
+      find $out -type f -exec \
+        patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" {} \
+        patchelf --set-rpath ${rpath} {} \;
+    '';
+
+    preferLocalBuild = true;
+
+    meta = {
+      description = "Sundtek MediaTV driver";
+      maintainers = [ maintainers.simonvandel ];
+      platforms = platforms.unix;
+      license = licenses.unfree;
+      homepage = "https://support.sundtek.com/index.php/topic,1573.0.html";
+    };
+  }