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/cadre/Gemfile

@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gem 'cadre', '=1.0.4'

pkgs/development/tools/cadre/Gemfile.lock

@@ -0,0 +1,19 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    cadre (1.0.4)
+      thor (>= 0.14, < 1.0)
+      tilt (> 1.0)
+      valise (~> 1.2)
+    thor (0.20.3)
+    tilt (2.0.9)
+    valise (1.2.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  cadre (= 1.0.4)
+
+BUNDLED WITH
+   2.1.4

pkgs/development/tools/cadre/default.nix

@@ -0,0 +1,17 @@
+{ lib, bundlerApp, bundlerUpdateScript }:
+
+bundlerApp {
+  pname = "cadre";
+  gemdir = ./.;
+  exes = [ "cadre" ];
+
+  passthru.updateScript = bundlerUpdateScript "cadre";
+
+  meta = with lib; {
+    description = "Toolkit to add Ruby development - in-editor coverage, libnotify of test runs";
+    homepage    = "https://github.com/nyarly/cadre";
+    license     = licenses.mit;
+    maintainers = with maintainers; [ nyarly nicknovitski ];
+    platforms   = platforms.unix;
+  };
+}

pkgs/development/tools/cadre/gemset.nix

@@ -0,0 +1,35 @@
+{
+  cadre = {
+    dependencies = ["thor" "tilt" "valise"];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "07q60s1bm2xar46g00ls5fjkn6dm2kfxhsz9ayblc31x5kr8d83a";
+      type = "gem";
+    };
+    version = "1.0.4";
+  };
+  thor = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1yhrnp9x8qcy5vc7g438amd5j9sw83ih7c30dr6g6slgw9zj3g29";
+      type = "gem";
+    };
+    version = "0.20.3";
+  };
+  tilt = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0ca4k0clwf0rkvy7726x4nxpjxkpv67w043i39saxgldxd97zmwz";
+      type = "gem";
+    };
+    version = "2.0.9";
+  };
+  valise = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1arsbmk2gifrhv244qrld7s3202xrnxy6vlc5gqklg70dpsinbn5";
+      type = "gem";
+    };
+    version = "1.2.1";
+  };
+}