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/science/misc/foldingathome/client.nix

@@ -0,0 +1,59 @@
+{ lib, stdenv
+, autoPatchelfHook
+, buildFHSUserEnv
+, dpkg
+, fetchurl
+, gcc-unwrapped
+, ocl-icd
+, zlib
+, extraPkgs ? []
+}:
+let
+  majMin = lib.versions.majorMinor version;
+  version = "7.6.13";
+
+  fahclient = stdenv.mkDerivation rec {
+    inherit version;
+    pname = "fahclient";
+
+    src = fetchurl {
+      url = "https://download.foldingathome.org/releases/public/release/fahclient/debian-stable-64bit/v${majMin}/fahclient_${version}_amd64.deb";
+      sha256 = "1j2cnsyassvifp6ymwd9kxwqw09hks24834gf7nljfncyy9g4g0i";
+    };
+
+    nativeBuildInputs = [
+      autoPatchelfHook
+      dpkg
+    ];
+
+    buildInputs = [
+      gcc-unwrapped.lib
+      zlib
+    ];
+
+    unpackPhase = "dpkg-deb -x ${src} ./";
+    installPhase = "cp -ar usr $out";
+  };
+in
+buildFHSUserEnv {
+  name = fahclient.name;
+
+  targetPkgs = pkgs': [
+    fahclient
+    ocl-icd
+  ] ++ extraPkgs;
+
+  runScript = "/bin/FAHClient";
+
+  extraInstallCommands = ''
+    mv $out/bin/$name $out/bin/FAHClient
+  '';
+
+  meta = {
+    description = "Folding@home client";
+    homepage = "https://foldingathome.org/";
+    license = lib.licenses.unfree;
+    maintainers = [ lib.maintainers.zimbatm ];
+    platforms = [ "x86_64-linux" ];
+  };
+}