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/interpreters/elixir/1.10.nix

@@ -0,0 +1,9 @@
+{ mkDerivation }:
+
+# How to obtain `sha256`:
+# nix-prefetch-url --unpack https://github.com/elixir-lang/elixir/archive/v${version}.tar.gz
+mkDerivation {
+  version = "1.10.4";
+  sha256 = "16j4rmm3ix088fvxhvyjqf1hnfg7wiwa87gml3b2mrwirdycbinv";
+  minimumOTPVersion = "21";
+}