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/mfcj470dwlpr/default.nix

@@ -0,0 +1,45 @@
+{ lib, stdenv, fetchurl, cups, dpkg, ghostscript, a2ps, coreutils, gnused, gawk, file, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "mfcj470dw-cupswrapper";
+  version = "3.0.0-1";
+
+  src = fetchurl {
+    url = "https://download.brother.com/welcome/dlf006843/mfcj470dwlpr-${version}.i386.deb";
+    sha256 = "7202dd895d38d50bb767080f2995ed350eed99bc2b7871452c3c915c8eefc30a";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ cups ghostscript dpkg a2ps ];
+
+  dontUnpack = true;
+
+  installPhase = ''
+    dpkg-deb -x $src $out
+
+    substituteInPlace $out/opt/brother/Printers/mfcj470dw/lpd/filtermfcj470dw \
+    --replace /opt "$out/opt" \
+
+    sed -i '/GHOST_SCRIPT=/c\GHOST_SCRIPT=gs' $out/opt/brother/Printers/mfcj470dw/lpd/psconvertij2
+
+    patchelf --set-interpreter ${stdenv.cc.libc}/lib/ld-linux.so.2 $out/opt/brother/Printers/mfcj470dw/lpd/brmfcj470dwfilter
+
+    mkdir -p $out/lib/cups/filter/
+    ln -s $out/opt/brother/Printers/mfcj470dw/lpd/filtermfcj470dw $out/lib/cups/filter/brother_lpdwrapper_mfcj470dw
+
+    wrapProgram $out/opt/brother/Printers/mfcj470dw/lpd/psconvertij2 \
+    --prefix PATH ":" ${ lib.makeBinPath [ gnused coreutils gawk ] }
+
+    wrapProgram $out/opt/brother/Printers/mfcj470dw/lpd/filtermfcj470dw \
+    --prefix PATH ":" ${ lib.makeBinPath [ ghostscript a2ps file gnused coreutils ] }
+    '';
+
+  meta = {
+    homepage = "http://www.brother.com/";
+    description = "Brother MFC-J470DW LPR driver";
+    license = lib.licenses.unfree;
+    platforms = lib.platforms.linux;
+    downloadPage = "http://support.brother.com/g/b/downloadlist.aspx?c=us&lang=en&prod=mfcj470dw_us_eu_as&os=128";
+    maintainers = [ lib.maintainers.yochai ];
+  };
+}