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/package-management/elm-github-install/Gemfile.lock

@@ -0,0 +1,39 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    adts (0.1.2)
+    commander (4.4.3)
+      highline (~> 1.7.2)
+    contracts (0.16.0)
+    elm_install (1.0.1)
+      adts (~> 0.1.2)
+      commander (~> 4.4, >= 4.4.2)
+      contracts (~> 0.16.0)
+      git (~> 1.3)
+      git_clone_url (~> 2.0)
+      hashdiff (~> 0.3.1)
+      indentation (~> 0.1.1)
+      smart_colored (~> 1.1, >= 1.1.1)
+      solve (~> 3.1)
+    git (1.3.0)
+    git_clone_url (2.0.0)
+      uri-ssh_git (>= 2.0)
+    hashdiff (0.3.4)
+    highline (1.7.8)
+    indentation (0.1.1)
+    molinillo (0.5.7)
+    semverse (2.0.0)
+    smart_colored (1.1.1)
+    solve (3.1.0)
+      molinillo (>= 0.5)
+      semverse (>= 1.1, < 3.0)
+    uri-ssh_git (2.0.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  elm_install
+
+BUNDLED WITH
+   2.1.4