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/analysis/checkstyle/default.nix

@@ -0,0 +1,38 @@
+{ lib, stdenv, fetchurl, makeWrapper, jre }:
+
+stdenv.mkDerivation rec {
+  version = "10.2";
+  pname = "checkstyle";
+
+  src = fetchurl {
+    url = "https://github.com/checkstyle/checkstyle/releases/download/checkstyle-${version}/checkstyle-${version}-all.jar";
+    sha256 = "sha256-jcu7KMeYbHZW4zswaV/cLkY4CLX9vJIcElXJq06EfRY=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ jre ];
+
+  dontUnpack = true;
+
+  installPhase = ''
+    runHook preInstall
+    install -D $src $out/checkstyle/checkstyle-all.jar
+    makeWrapper ${jre}/bin/java $out/bin/checkstyle \
+      --add-flags "-jar $out/checkstyle/checkstyle-all.jar"
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Checks Java source against a coding standard";
+    longDescription = ''
+      checkstyle is a development tool to help programmers write Java code that
+      adheres to a coding standard. By default it supports the Sun Code
+      Conventions, but is highly configurable.
+    '';
+    homepage = "http://checkstyle.sourceforge.net/";
+    sourceProvenance = with sourceTypes; [ binaryBytecode ];
+    license = licenses.lgpl21;
+    maintainers = with maintainers; [ pSub ];
+    platforms = jre.meta.platforms;
+  };
+}