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/networking/maphosts/Gemfile

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

pkgs/tools/networking/maphosts/Gemfile.lock

@@ -0,0 +1,19 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    colorize (0.8.0)
+    hosts (0.1.1)
+      linebreak (~> 2.0.1)
+    linebreak (2.0.1)
+    maphosts (1.1.1)
+      colorize (~> 0.7)
+      hosts (~> 0.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  maphosts
+
+BUNDLED WITH
+   2.1.4

pkgs/tools/networking/maphosts/default.nix

@@ -0,0 +1,29 @@
+{ stdenv, lib, bundlerEnv, ruby, bundlerUpdateScript }:
+
+let
+  env = bundlerEnv {
+    name = "maphosts-gems";
+    inherit ruby;
+    gemdir = ./.;
+  };
+in stdenv.mkDerivation {
+  pname = "maphosts";
+  version = env.gems.maphosts.version;
+
+  dontUnpack = true;
+
+  installPhase = ''
+    mkdir -p "$out/bin"
+    ln -s "${env}/bin/maphosts" "$out/bin/maphosts"
+  '';
+
+  passthru.updateScript = bundlerUpdateScript "maphosts";
+
+  meta = with lib; {
+    description = "Small command line application for keeping your project hostnames in sync with /etc/hosts";
+    homepage    = "https://github.com/mpscholten/maphosts";
+    license     = licenses.mit;
+    maintainers = with maintainers; [ mpscholten nicknovitski ];
+    platforms   = platforms.all;
+  };
+}

pkgs/tools/networking/maphosts/gemset.nix

@@ -0,0 +1,34 @@
+{
+  colorize = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1mmi9wr55gb84jfpyhpx975d2c8dhdsjjys88kc6f2r66brxmh23";
+      type = "gem";
+    };
+    version = "0.8.0";
+  };
+  hosts = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0s1mbn73ig5dy69dr8461574kq1ig6rdz89r1w5f8i7gvx9g9z9v";
+      type = "gem";
+    };
+    version = "0.1.1";
+  };
+  linebreak = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0362jhjhjcf0yr3k7bfqk4ai9yybm4985x7h1rwq4b7kvzk77pqj";
+      type = "gem";
+    };
+    version = "2.0.1";
+  };
+  maphosts = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0bb7wa4vr3lkaywh4hvl74j2w5n52870zh4ypwl9cr43fdrj4nkw";
+      type = "gem";
+    };
+    version = "1.1.1";
+  };
+}