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/hamt.nix

@@ -0,0 +1,26 @@
+{ build-idris-package
+, fetchFromGitHub
+, contrib
+, effects
+, lib
+}:
+build-idris-package  {
+  pname = "hamt";
+  version = "2016-11-15";
+
+  idrisDeps = [ contrib effects ];
+
+  src = fetchFromGitHub {
+    owner = "bamboo";
+    repo = "idris-hamt";
+    rev = "e70f3eedddb5ccafea8e386762b8421ba63c495a";
+    sha256 = "0m2yjr20dxkfmn3nzc68l6vh0rdaw6b637yijwl4c83b5xiac1mi";
+  };
+
+  meta = {
+    description = "Idris Hash Array Mapped Trie";
+    homepage = "https://github.com/bamboo/idris-hamt";
+    license = lib.licenses.bsd3;
+    maintainers = [ lib.maintainers.brainrape ];
+  };
+}