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/tools/nix/manix/default.nix

@@ -0,0 +1,25 @@
+{ lib, stdenv, fetchFromGitHub, rustPlatform, darwin, Security }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "manix";
+  version = "0.6.3";
+
+  src = fetchFromGitHub {
+    owner = "mlvzk";
+    repo  = pname;
+    rev = "v${version}";
+    sha256 = "1b7xi8c2drbwzfz70czddc4j33s7g1alirv12dwl91hbqxifx8qs";
+  };
+
+  buildInputs = lib.optionals stdenv.isDarwin [ Security ];
+
+  cargoSha256 = "1yivx9vzk2fvncvlkwq5v11hb9llr1zlcmy69y12q6xnd9rd8x1b";
+
+  meta = with lib; {
+    description = "A Fast Documentation Searcher for Nix";
+    homepage    = "https://github.com/mlvzk/manix";
+    license     = [ licenses.mpl20 ];
+    maintainers = [ maintainers.mlvzk ];
+    platforms   = platforms.unix;
+  };
+}