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/applications/misc/thinking-rock/default.nix

@@ -0,0 +1,42 @@
+{ lib, stdenv, fetchurl, runtimeShell }:
+
+stdenv.mkDerivation rec {
+  pname = "thinkingrock-binary";
+  version = "2.2.1";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/thinkingrock/ThinkingRock/TR%20${version}/tr-${version}.tar.gz";
+    sha256 = "0hnwvvyc8miiz8w2g4iy7s4rgfy0kfbncgbgfzpsq6nrzq334kgm";
+  };
+
+  /* it would be a really bad idea to put thinkingrock tr executable in PATH!
+     the tr.sh script does use the coreutils tr itself
+     That's why I've renamed the wrapper and called it thinkingrock
+     However you may not rename the bin/tr script cause it will notice and throw an
+     "java.lang.IllegalArgumentException: Malformed branding token: thinkingrock"
+     exception. I hope that's fine
+  */
+
+  buildPhase = ''
+    # only keep /bin/tr
+    ls -1 bin/* | grep -ve  'bin/tr''$' | xargs rm
+    # don't keep the other .exe file either
+    find . -iname "*.exe" | xargs -n1 rm
+    mkdir -p $out/{nix-support/tr-files,bin}
+    cp -r . $out/nix-support/tr-files
+    cat >> $out/bin/thinkingrock << EOF
+    #!${runtimeShell}
+    exec $out/nix-support/tr-files/bin/tr "$@"
+    EOF
+    chmod +x $out/bin/thinkingrock
+  '';
+
+  dontInstall = true;
+
+  meta = with lib; {
+    description = "Task management system";
+    homepage = "http://www.thinkingrock.com.au/";
+    license = licenses.cddl;
+    platforms = platforms.unix;
+  };
+}