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/pws/Gemfile

@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gem 'pws'

pkgs/tools/misc/pws/Gemfile.lock

@@ -0,0 +1,19 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    clipboard (1.0.6)
+    paint (1.0.1)
+    pbkdf2-ruby (0.2.1)
+    pws (1.0.6)
+      clipboard (~> 1.0.5)
+      paint (>= 0.8.7)
+      pbkdf2-ruby
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  pws
+
+BUNDLED WITH
+   2.1.4

pkgs/tools/misc/pws/default.nix

@@ -0,0 +1,34 @@
+{ stdenv, lib, bundlerEnv, ruby, bundlerUpdateScript, xsel, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "pws";
+  version = (import ./gemset.nix).pws.version;
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  dontUnpack = true;
+
+  installPhase = let
+    env = bundlerEnv {
+      name = "${pname}-gems";
+
+      inherit ruby;
+
+      gemdir = ./.;
+    };
+  in ''
+    mkdir -p $out/bin
+    makeWrapper ${env}/bin/pws $out/bin/pws \
+      --set PATH '"${xsel}/bin/:$PATH"'
+  '';
+
+  passthru.updateScript = bundlerUpdateScript "pws";
+
+  meta = with lib; {
+    description = "Command-line password safe";
+    homepage    = "https://github.com/janlelis/pws";
+    license     = licenses.mit;
+    maintainers = with maintainers; [ swistak35 nicknovitski ];
+    platforms   = platforms.unix;
+  };
+}

pkgs/tools/misc/pws/gemset.nix

@@ -0,0 +1,34 @@
+{
+  clipboard = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "11r5xi1fhll4qxna2sg83vmnphjzqc4pzwdnmc5qwvdps5jbz7cq";
+      type = "gem";
+    };
+    version = "1.0.6";
+  };
+  paint = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1z1fqyyc2jiv6yabv467h652cxr2lmxl5gqqg7p14y28kdqf0nhj";
+      type = "gem";
+    };
+    version = "1.0.1";
+  };
+  pbkdf2-ruby = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "014vb5k8klvh192idqrda2571dxsp7ai2v72hj265zd2awy0zyg1";
+      type = "gem";
+    };
+    version = "0.2.1";
+  };
+  pws = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1brn123mmrw09ji60sa13ylgfjjp7aicz07hm9h0dc3162zlw5wn";
+      type = "gem";
+    };
+    version = "1.0.6";
+  };
+}