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/os-specific/linux/sydbox/default.nix

@@ -0,0 +1,77 @@
+{ lib
+, stdenv
+, fetchurl
+, pkg-config
+, autoreconfHook
+, python3
+, perl
+, libxslt
+, docbook_xsl
+, docbook_xml_dtd_42
+, libseccomp
+, installTests ? true, gnumake, which
+, debugBuild ? false, libunwind
+}:
+
+stdenv.mkDerivation rec {
+  pname = "sydbox-1";
+  version = "2.2.0";
+
+  outputs = [ "out" "dev" "man" "doc" ]
+    ++ lib.optional installTests "installedTests";
+
+  src = fetchurl {
+    url = "https://git.exherbo.org/${pname}.git/snapshot/${pname}-${version}.tar.xz";
+    sha256 = "0664myrrzbvsw73q5b7cqwgv4hl9a7vkm642s1r96gaxm16jk0z7";
+  };
+
+  nativeBuildInputs = [
+    pkg-config
+    autoreconfHook
+    python3
+    perl
+    libxslt.bin
+    docbook_xsl
+    docbook_xml_dtd_42
+  ];
+
+  buildInputs = [
+    libseccomp
+  ] ++ lib.optional debugBuild libunwind
+    ++ lib.optionals installTests [
+      gnumake
+      python3
+      perl
+      which
+    ];
+
+  enableParallelBuilding = true;
+
+  configureFlags = [ ]
+    ++ lib.optionals installTests [ "--enable-installed-tests"
+      "--libexecdir=${placeholder "installedTests"}/libexec" ]
+    ++ lib.optional debugBuild "--enable-debug";
+
+  makeFlags = [ "SYD_INCLUDEDIR=${stdenv.cc.libc.dev}/include" ];
+
+  doCheck = true;
+  checkPhase = ''
+    # Many of the regular test cases in t/ do not work inside the build sandbox
+    make -C syd check
+  '';
+
+  postInstall = if installTests then ''
+    moveToOutput bin/syd-test $installedTests
+  '' else ''
+    # Tests are installed despite --disable-installed-tests
+    rm -r $out/bin/syd-test $out/libexec
+  '';
+
+  meta = with lib; {
+    homepage = "https://sydbox.exherbo.org/";
+    description = "seccomp-based application sandbox";
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ mvs ];
+  };
+}