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/security/opensc/default.nix

@@ -0,0 +1,65 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, zlib, readline, openssl
+, libiconv, pcsclite, libassuan, libXt
+, docbook_xsl, libxslt, docbook_xml_dtd_412
+, Carbon, PCSC, buildPackages
+, withApplePCSC ? stdenv.isDarwin
+}:
+
+stdenv.mkDerivation rec {
+  pname = "opensc";
+  version = "0.22.0";
+
+  src = fetchFromGitHub {
+    owner = "OpenSC";
+    repo = "OpenSC";
+    rev = version;
+    sha256 = "sha256-0IFpiG1SJq4cpS5z6kwpWSPVWjO0q0SHs+doD2vbUKs=";
+  };
+
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
+  buildInputs = [
+    zlib readline openssl libassuan
+    libXt libxslt libiconv docbook_xml_dtd_412
+  ]
+  ++ lib.optional stdenv.isDarwin Carbon
+  ++ (if withApplePCSC then [ PCSC ] else [ pcsclite ]);
+
+  NIX_CFLAGS_COMPILE = "-Wno-error";
+
+  configureFlags = [
+    "--enable-zlib"
+    "--enable-readline"
+    "--enable-openssl"
+    "--enable-pcsc"
+    "--enable-sm"
+    "--enable-man"
+    "--enable-doc"
+    "--localstatedir=/var"
+    "--sysconfdir=/etc"
+    "--with-xsl-stylesheetsdir=${docbook_xsl}/xml/xsl/docbook"
+    "--with-pcsc-provider=${
+      if withApplePCSC then
+        "${PCSC}/Library/Frameworks/PCSC.framework/PCSC"
+      else
+        "${lib.getLib pcsclite}/lib/libpcsclite${stdenv.hostPlatform.extensions.sharedLibrary}"
+      }"
+    (lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform)
+      "XSLTPROC=${buildPackages.libxslt}/bin/xsltproc")
+  ];
+
+  PCSC_CFLAGS = lib.optionalString withApplePCSC
+    "-I${PCSC}/Library/Frameworks/PCSC.framework/Headers";
+
+  installFlags = [
+    "sysconfdir=$(out)/etc"
+    "completiondir=$(out)/etc"
+  ];
+
+  meta = with lib; {
+    description = "Set of libraries and utilities to access smart cards";
+    homepage = "https://github.com/OpenSC/OpenSC/wiki";
+    license = licenses.lgpl21Plus;
+    platforms = platforms.all;
+    maintainers = [ maintainers.michaeladler ];
+  };
+}