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/tools/admin/bubblewrap/default.nix

@@ -0,0 +1,54 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, docbook_xsl
+, libxslt
+, meson
+, ninja
+, pkg-config
+, bash-completion
+, libcap
+, libselinux
+}:
+
+stdenv.mkDerivation rec {
+  pname = "bubblewrap";
+  version = "0.6.2";
+
+  src = fetchFromGitHub {
+    owner = "containers";
+    repo = "bubblewrap";
+    rev = "v${version}";
+    hash = "sha256-J+VFla3sWO+DfB2IxxrKzbiG+KWFJr9caf8sTHyWXY4=";
+  };
+
+  postPatch = ''
+    substituteInPlace tests/libtest.sh \
+      --replace "/var/tmp" "$TMPDIR"
+  '';
+
+  nativeBuildInputs = [
+    docbook_xsl
+    libxslt
+    meson
+    ninja
+    pkg-config
+  ];
+
+  buildInputs = [
+    bash-completion
+    libcap
+    libselinux
+  ];
+
+  # incompatible with Nix sandbox
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Unprivileged sandboxing tool";
+    homepage = "https://github.com/containers/bubblewrap";
+    license = licenses.lgpl2Plus;
+    maintainers = with maintainers; [ dotlambda ];
+    platforms = platforms.linux;
+  };
+}