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>

nixos/modules/profiles/minimal.nix

@@ -0,0 +1,19 @@
+# This module defines a small NixOS configuration.  It does not
+# contain any graphical stuff.
+
+{ config, lib, ... }:
+
+with lib;
+
+{
+  environment.noXlibs = mkDefault true;
+
+  # This isn't perfect, but let's expect the user specifies an UTF-8 defaultLocale
+  i18n.supportedLocales = [ (config.i18n.defaultLocale + "/UTF-8") ];
+
+  documentation.enable = mkDefault false;
+
+  documentation.nixos.enable = mkDefault false;
+
+  programs.command-not-found.enable = mkDefault false;
+}