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/libraries/libseccomp/default.nix

@@ -0,0 +1,53 @@
+{ lib, stdenv, fetchurl, getopt, util-linuxMinimal, which, gperf, nix-update-script }:
+
+stdenv.mkDerivation rec {
+  pname = "libseccomp";
+  version = "2.5.3";
+
+  src = fetchurl {
+    url = "https://github.com/seccomp/libseccomp/releases/download/v${version}/libseccomp-${version}.tar.gz";
+    sha256 = "sha256-WQZchzM2RyXpchukjDqZu8Uq+SHa9I30seAS+8exCnY=";
+  };
+
+  outputs = [ "out" "lib" "dev" "man" "pythonsrc" ];
+
+  nativeBuildInputs = [ gperf ];
+  buildInputs = [ getopt ];
+
+  patchPhase = ''
+    patchShebangs .
+  '';
+
+  checkInputs = [ util-linuxMinimal which ];
+  doCheck = true;
+
+  # Hack to ensure that patchelf --shrink-rpath get rids of a $TMPDIR reference.
+  preFixup = "rm -rfv src";
+
+  # Copy the python module code into a tarball that we can export and use as the
+  # src input for buildPythonPackage calls
+  postInstall = ''
+    cp -R ./src/python/ tmp-pythonsrc/
+    tar -zcf $pythonsrc --mtime="@$SOURCE_DATE_EPOCH" --sort=name --transform s/tmp-pythonsrc/python-foundationdb/ ./tmp-pythonsrc/
+  '';
+
+  passthru = {
+    updateScript = nix-update-script {
+      attrPath = pname;
+    };
+  };
+
+  meta = with lib; {
+    description = "High level library for the Linux Kernel seccomp filter";
+    homepage = "https://github.com/seccomp/libseccomp";
+    license = licenses.lgpl21Only;
+    platforms = platforms.linux;
+    badPlatforms = [
+      "alpha-linux"
+      "riscv32-linux"
+      "sparc-linux"
+      "sparc64-linux"
+    ];
+    maintainers = with maintainers; [ thoughtpolice ];
+  };
+}