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/applications/graphics/sane/frontends.nix

@@ -0,0 +1,28 @@
+{ lib, stdenv, fetchurl, sane-backends, libX11, gtk2, pkg-config, libusb-compat-0_1 ? null }:
+
+stdenv.mkDerivation rec {
+  pname = "sane-frontends";
+  version = "1.0.14";
+
+  src = fetchurl {
+    url = "https://alioth-archive.debian.org/releases/sane/${pname}/${version}/${pname}-${version}.tar.gz";
+    sha256 = "1ad4zr7rcxpda8yzvfkq1rfjgx9nl6lan5a628wvpdbh3fn9v0z7";
+  };
+
+  preConfigure = ''
+    sed -e '/SANE_CAP_ALWAYS_SETTABLE/d' -i src/gtkglue.c
+  '';
+
+  buildInputs = [ sane-backends libX11 gtk2 ]
+    ++ lib.optional (libusb-compat-0_1 != null) libusb-compat-0_1;
+  nativeBuildInputs = [ pkg-config ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "Scanner Access Now Easy";
+    homepage    = "http://www.sane-project.org/";
+    license     = licenses.gpl2Plus;
+    platforms   = platforms.linux;
+  };
+}