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/misc/yubico-piv-tool/default.nix

@@ -0,0 +1,45 @@
+{ lib, stdenv, fetchurl, pkg-config, openssl, check, pcsclite, PCSC, gengetopt, cmake
+, withApplePCSC ? stdenv.isDarwin
+}:
+
+stdenv.mkDerivation rec {
+  pname = "yubico-piv-tool";
+  version = "2.2.1";
+
+  src = fetchurl {
+    url = "https://developers.yubico.com/yubico-piv-tool/Releases/yubico-piv-tool-${version}.tar.gz";
+    sha256 = "sha256-t+3k3cPW4x3mey4t3NMZsitAzC4Jc7mGbQUqdUSTsU4=";
+  };
+
+  nativeBuildInputs = [ pkg-config cmake gengetopt ];
+  buildInputs = [ openssl check ]
+    ++ (if withApplePCSC then [ PCSC ] else [ pcsclite ]);
+
+  cmakeFlags = [
+    "-DGENERATE_MAN_PAGES=OFF" # Use the man page generated at release time
+    "-DCMAKE_INSTALL_BINDIR=bin"
+    "-DCMAKE_INSTALL_INCLUDEDIR=include"
+    "-DCMAKE_INSTALL_MANDIR=share/man"
+    "-DCMAKE_INSTALL_LIBDIR=lib"
+  ];
+
+  configureFlags = [ "--with-backend=${if withApplePCSC then "macscard" else "pcsc"}" ];
+
+  meta = with lib; {
+    homepage = "https://developers.yubico.com/yubico-piv-tool/";
+    description = ''
+      Used for interacting with the Privilege and Identification Card (PIV)
+      application on a YubiKey
+    '';
+    longDescription = ''
+      The Yubico PIV tool is used for interacting with the Privilege and
+      Identification Card (PIV) application on a YubiKey.
+      With it you may generate keys on the device, importing keys and
+      certificates, and create certificate requests, and other operations.
+      A shared library and a command-line tool is included.
+    '';
+    license = licenses.bsd2;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ viraptor ];
+  };
+}