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/setoids.nix

@@ -0,0 +1,24 @@
+{ build-idris-package
+, fetchFromGitHub
+, contrib
+, lib
+}:
+build-idris-package  {
+  pname = "setoids";
+  version = "2018-06-18";
+
+  idrisDeps = [ contrib ];
+
+  src = fetchFromGitHub {
+    owner = "danilkolikov";
+    repo = "setoids";
+    rev = "41b4af3b1a537d9471107a639ad77c7abee2de18";
+    sha256 = "0fl1g59s16vnrdnplps5ncv27j7a93nxp9cmqp2iavjxlzlzin1v";
+  };
+
+  meta = {
+    description = "Idris proofs for extensional equalities";
+    homepage = "https://github.com/danilkolikov/setoids";
+    maintainers = [ lib.maintainers.brainrape ];
+  };
+}