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/misc/cups/drivers/mfcl8690cdwlpr/default.nix

@@ -0,0 +1,45 @@
+{ coreutils, dpkg, fetchurl, file, ghostscript, gnugrep, gnused,
+makeWrapper, perl, pkgs, lib, stdenv, which }:
+
+stdenv.mkDerivation rec {
+  pname = "mfcl8690cdwlpr";
+  version = "1.3.0-0";
+
+  src = fetchurl {
+    url = "http://download.brother.com/welcome/dlf103241/${pname}-${version}.i386.deb";
+    sha256 = "0x8zd4b1psmw1znp2ibncs37xm5mljcy9yza2rx8jm8lp0a3l85v";
+  };
+
+  nativeBuildInputs = [ dpkg makeWrapper ];
+
+  dontUnpack = true;
+
+  installPhase = ''
+    dpkg-deb -x $src $out
+
+    dir=$out/opt/brother/Printers/mfcl8690cdw
+    filter=$dir/lpd/filter_mfcl8690cdw
+
+    substituteInPlace $filter \
+      --replace /usr/bin/perl ${perl}/bin/perl \
+      --replace "BR_PRT_PATH =~" "BR_PRT_PATH = \"$dir/\"; #" \
+      --replace "PRINTER =~" "PRINTER = \"mfcl8690cdw\"; #"
+
+    wrapProgram $filter \
+      --prefix PATH : ${lib.makeBinPath [
+      coreutils file ghostscript gnugrep gnused which
+      ]}
+
+    # need to use i686 glibc here, these are 32bit proprietary binaries
+    interpreter=${pkgs.pkgsi686Linux.glibc}/lib/ld-linux.so.2
+    patchelf --set-interpreter "$interpreter" $dir/lpd/brmfcl8690cdwfilter
+  '';
+
+  meta = {
+    description = "Brother MFC-L8690CDW LPR printer driver";
+    homepage = "http://www.brother.com/";
+    license = lib.licenses.unfree;
+    maintainers = [ lib.maintainers.fuzzy-id ];
+    platforms = [ "i686-linux" ];
+  };
+}