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/servers/libreddit/default.nix

@@ -0,0 +1,34 @@
+{ lib
+, stdenv
+, nixosTests
+, rustPlatform
+, fetchFromGitHub
+, Security
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "libreddit";
+  version = "0.22.9";
+
+  src = fetchFromGitHub {
+    owner = "spikecodes";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-xsWV3DWAFekWliFRdea2J+Mygl/58d92qTXJ7/4YVEg=";
+  };
+
+  cargoSha256 = "sha256-eLfKfl7CYH2V9WJksLps6uAckQEPB5dFKBY2B6CMa/8=";
+
+  buildInputs = lib.optional stdenv.isDarwin Security;
+
+  passthru.tests = {
+    inherit (nixosTests) libreddit;
+  };
+
+  meta = with lib; {
+    description = "Private front-end for Reddit";
+    homepage = "https://github.com/spikecodes/libreddit";
+    license = with licenses; [ agpl3Only ];
+    maintainers = with maintainers; [ fab jojosch ];
+  };
+}