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/servers/ftp/bftpd/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "bftpd";
+  version = "6.1";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/project/${pname}/${pname}/${pname}-${version}/${pname}-${version}.tar.gz";
+    sha256 = "sha256-lyHQYU4aXQ/muAyaigStqO/ULL393SOelagFmuKDqm8=";
+  };
+
+  preConfigure = ''
+    sed -re 's/-[og] 0//g' -i Makefile*
+  '';
+
+  postInstall = ''
+    mkdir -p $out/share/doc/${pname}
+    mv $out/etc/*.conf $out/share/doc/${pname}
+    rm -rf $out/{etc,var}
+  '';
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "A minimal ftp server";
+    downloadPage = "http://bftpd.sf.net/download.html";
+    homepage = "http://bftpd.sf.net/";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ raskin ];
+    platforms = platforms.all;
+  };
+}