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/apktool/default.nix

@@ -0,0 +1,41 @@
+{ lib, stdenv, fetchurl, makeWrapper, jre, build-tools }:
+
+stdenv.mkDerivation rec {
+  pname = "apktool";
+  version = "2.6.1";
+
+  src = fetchurl {
+    urls = [
+      "https://bitbucket.org/iBotPeaches/apktool/downloads/apktool_${version}.jar"
+      "https://github.com/iBotPeaches/Apktool/releases/download/v${version}/apktool_${version}.jar"
+    ];
+    sha256 = "sha256-vCuah6xahpBbbKNDwhoNs7w3vdURVLyc32VSPZWJXTQ=";
+  };
+
+  dontUnpack = true;
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  sourceRoot = ".";
+
+  installPhase =
+    let
+      tools = builtins.head build-tools;
+    in ''
+      install -D ${src} "$out/libexec/apktool/apktool.jar"
+      mkdir -p "$out/bin"
+      makeWrapper "${jre}/bin/java" "$out/bin/apktool" \
+          --add-flags "-jar $out/libexec/apktool/apktool.jar" \
+          --prefix PATH : "${tools}/libexec/android-sdk/build-tools/${tools.version}"
+    '';
+
+  meta = with lib; {
+    description = "A tool for reverse engineering Android apk files";
+    homepage    = "https://ibotpeaches.github.io/Apktool/";
+    sourceProvenance = with sourceTypes; [ binaryBytecode ];
+    license     = licenses.asl20;
+    maintainers = with maintainers; [ offline ];
+    platforms   = with platforms; unix;
+  };
+
+}