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/development/tools/cbor-diag/Gemfile

@@ -0,0 +1,2 @@
+source 'https://rubygems.org'
+gem 'cbor-diag'

pkgs/development/tools/cbor-diag/Gemfile.lock

@@ -0,0 +1,21 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    cbor-diag (0.5.6)
+      json
+      neatjson
+      treetop (~> 1)
+    json (2.2.0)
+    neatjson (0.9)
+    polyglot (0.3.5)
+    treetop (1.6.10)
+      polyglot (~> 0.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  cbor-diag
+
+BUNDLED WITH
+   2.1.4

pkgs/development/tools/cbor-diag/default.nix

@@ -0,0 +1,31 @@
+{ lib, bundlerApp, bundlerUpdateScript }:
+
+bundlerApp {
+  pname = "cbor-diag";
+
+  gemdir = ./.;
+
+  exes = [
+    "cbor2diag.rb"
+    "cbor2json.rb"
+    "cbor2pretty.rb"
+    "cbor2yaml.rb"
+    "diag2cbor.rb"
+    "diag2pretty.rb"
+    "json2cbor.rb"
+    "json2pretty.rb"
+    "pretty2cbor.rb"
+    "pretty2diag.rb"
+    "yaml2cbor.rb"
+  ];
+
+  passthru.updateScript = bundlerUpdateScript "cbor-diag";
+
+  meta = with lib; {
+    description = "CBOR diagnostic utilities";
+    homepage    = "https://github.com/cabo/cbor-diag";
+    license     = with licenses; asl20;
+    maintainers = with maintainers; [ fdns nicknovitski ];
+    platforms   = platforms.unix;
+  };
+}

pkgs/development/tools/cbor-diag/gemset.nix

@@ -0,0 +1,54 @@
+{
+  cbor-diag = {
+    dependencies = ["json" "neatjson" "treetop"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0pd0k4malg1l7w3ck5glh9w0hrsvknk8rp32vrir74yww1g6yplv";
+      type = "gem";
+    };
+    version = "0.5.6";
+  };
+  json = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0sx97bm9by389rbzv8r1f43h06xcz8vwi3h5jv074gvparql7lcx";
+      type = "gem";
+    };
+    version = "2.2.0";
+  };
+  neatjson = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0fa2v7b6433j0iqh5iq9r71v7a5xabgjvqwsbl21vcsac7vf3ncw";
+      type = "gem";
+    };
+    version = "0.9";
+  };
+  polyglot = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1bqnxwyip623d8pr29rg6m8r0hdg08fpr2yb74f46rn1wgsnxmjr";
+      type = "gem";
+    };
+    version = "0.3.5";
+  };
+  treetop = {
+    dependencies = ["polyglot"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0g31pijhnv7z960sd09lckmw9h8rs3wmc8g4ihmppszxqm99zpv7";
+      type = "gem";
+    };
+    version = "1.6.10";
+  };
+}