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/idris-modules/permutations.nix

@@ -0,0 +1,22 @@
+{ build-idris-package
+, fetchFromGitHub
+, lib
+}:
+build-idris-package  {
+  pname = "permutations";
+  version = "2018-01-19";
+
+  src = fetchFromGitHub {
+    owner = "vmchale";
+    repo = "permutations";
+    rev = "f0de6bc721bb9d31e16f9168ded6eb6e34935881";
+    sha256 = "1dirzqy40fczbw7gp2jr51lzqsnq5vcx9z5l6194lcrq2vxgzv1s";
+  };
+
+  meta = {
+    description = "Type-safe way of working with permutations in Idris";
+    homepage = "https://github.com/vmchale/permutations";
+    license = lib.licenses.bsd3;
+    maintainers = [ lib.maintainers.brainrape ];
+  };
+}