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/pass/extensions/otp.nix

@@ -0,0 +1,33 @@
+{ lib, stdenv, fetchFromGitHub, oath-toolkit }:
+
+stdenv.mkDerivation rec {
+  pname = "pass-otp";
+  version = "1.2.0";
+
+  src = fetchFromGitHub {
+    owner = "tadfisher";
+    repo = "pass-otp";
+    rev = "v${version}";
+    sha256 = "0cpqrf3939hcvwg7sd8055ghc8x964ilimlri16czzx188a9jx9v";
+  };
+
+  buildInputs = [ oath-toolkit ];
+
+  dontBuild = true;
+
+  patchPhase = ''
+    sed -i -e 's|OATH=\$(which oathtool)|OATH=${oath-toolkit}/bin/oathtool|' otp.bash
+  '';
+
+  installFlags = [ "PREFIX=$(out)"
+                   "BASHCOMPDIR=$(out)/share/bash-completion/completions"
+                 ];
+
+  meta = with lib; {
+    description = "A pass extension for managing one-time-password (OTP) tokens";
+    homepage = "https://github.com/tadfisher/pass-otp";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ jwiegley tadfisher toonn ];
+    platforms = platforms.unix;
+  };
+}