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/networking/networkmanager/l2tp/default.nix

@@ -0,0 +1,80 @@
+{ stdenv
+, lib
+, substituteAll
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, gtk3
+, gtk4
+, networkmanager
+, ppp
+, xl2tpd
+, strongswan
+, libsecret
+, withGnome ? true
+, libnma
+, libnma-gtk4
+, glib
+, openssl
+, nss
+}:
+
+stdenv.mkDerivation rec {
+  name = "${pname}${if withGnome then "-gnome" else ""}-${version}";
+  pname = "NetworkManager-l2tp";
+  version = "1.20.4";
+
+  src = fetchFromGitHub {
+    owner = "nm-l2tp";
+    repo = "network-manager-l2tp";
+    rev = version;
+    sha256 = "VoqPjMQILBYemRE5VD/XwhWi9zL9QxxHZJ2JKtGglFo=";
+  };
+
+  patches = [
+    (substituteAll {
+      src = ./fix-paths.patch;
+      inherit strongswan xl2tpd;
+    })
+  ];
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    networkmanager
+    ppp
+    glib
+    openssl
+    nss
+  ] ++ lib.optionals withGnome [
+    gtk3
+    gtk4
+    libsecret
+    libnma
+    libnma-gtk4
+  ];
+
+  configureFlags = [
+    "--with-gnome=${if withGnome then "yes" else "no"}"
+    "--with-gtk4=${if withGnome then "yes" else "no"}"
+    "--localstatedir=/var"
+    "--enable-absolute-paths"
+  ];
+
+  enableParallelBuilding = true;
+
+  passthru = {
+    networkManagerPlugin = "VPN/nm-l2tp-service.name";
+  };
+
+  meta = with lib; {
+    description = "L2TP plugin for NetworkManager";
+    inherit (networkmanager.meta) platforms;
+    homepage = "https://github.com/nm-l2tp/network-manager-l2tp";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ abbradar obadz ];
+  };
+}