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/scalafix/default.nix

@@ -0,0 +1,46 @@
+{ lib, stdenv, jre, coursier, makeWrapper, installShellFiles, setJavaClassPath }:
+
+let
+  baseName = "scalafix";
+  version = "0.10.0";
+  deps = stdenv.mkDerivation {
+    name = "${baseName}-deps-${version}";
+    buildCommand = ''
+      export COURSIER_CACHE=$(pwd)
+      ${coursier}/bin/cs fetch ch.epfl.scala:scalafix-cli_2.13.8:${version} > deps
+      mkdir -p $out/share/java
+      cp $(< deps) $out/share/java/
+    '';
+    outputHashMode = "recursive";
+    outputHash     = "sha256-lDeg90L484MggtQ2a9OyHv4UcfLPjzG3OJZCaWW2AC8=";
+  };
+in
+stdenv.mkDerivation {
+  pname = baseName;
+  inherit version;
+
+  nativeBuildInputs = [ makeWrapper installShellFiles setJavaClassPath ];
+  buildInputs = [ deps ];
+
+  dontUnpack = true;
+
+  installPhase = ''
+    makeWrapper ${jre}/bin/java $out/bin/${baseName} \
+      --add-flags "-cp $CLASSPATH scalafix.cli.Cli"
+
+    installShellCompletion --cmd ${baseName} \
+      --bash <($out/bin/${baseName} --bash) \
+      --zsh  <($out/bin/${baseName} --zsh)
+  '';
+
+  installCheckPhase = ''
+    $out/bin/${baseName} --version | grep -q "${version}"
+  '';
+
+  meta = with lib; {
+    description = "Refactoring and linting tool for Scala";
+    homepage = "https://scalacenter.github.io/scalafix/";
+    license = licenses.bsd3;
+    maintainers = [ maintainers.tomahna ];
+  };
+}