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/system/procodile/Gemfile

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

pkgs/tools/system/procodile/Gemfile.lock

@@ -0,0 +1,15 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    json (2.2.0)
+    procodile (1.0.23)
+      json
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  procodile
+
+BUNDLED WITH
+   2.1.4

pkgs/tools/system/procodile/default.nix

@@ -0,0 +1,17 @@
+{ lib, bundlerApp, bundlerUpdateScript }:
+
+bundlerApp {
+  pname = "procodile";
+  gemdir = ./.;
+  exes = [ "procodile" ];
+
+  passthru.updateScript = bundlerUpdateScript "procodile";
+
+  meta = with lib; {
+    description = "Run processes in the background (and foreground) on Mac & Linux from a Procfile (for production and/or development environments)";
+    homepage    = "https://adam.ac/procodile";
+    license     = with licenses; mit;
+    maintainers = with maintainers; [ ravloony manveru nicknovitski ];
+    platforms   = platforms.unix;
+  };
+}

pkgs/tools/system/procodile/gemset.nix

@@ -0,0 +1,23 @@
+{
+  json = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0sx97bm9by389rbzv8r1f43h06xcz8vwi3h5jv074gvparql7lcx";
+      type = "gem";
+    };
+    version = "2.2.0";
+  };
+  procodile = {
+    dependencies = ["json"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "025pbr1kah7cgs527n5q56m5agaa2smzac4rpmpk619xg4r1rdhs";
+      type = "gem";
+    };
+    version = "1.0.23";
+  };
+}