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/misc/fdupes/default.nix

@@ -0,0 +1,29 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, ncurses, pcre2 }:
+
+stdenv.mkDerivation rec {
+  pname = "fdupes";
+  version = "2.1.2";
+
+  src = fetchFromGitHub {
+    owner = "adrianlopezroche";
+    repo  = "fdupes";
+    rev   = "v${version}";
+    hash  = "sha256-WtSuFWRqQo5D/FLwl3AaIIfg6q+09A3aP5//J4AUzus=";
+  };
+
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
+  buildInputs = [ ncurses pcre2 ];
+
+  meta = with lib; {
+    description = "Identifies duplicate files residing within specified directories";
+    longDescription = ''
+      fdupes searches the given path for duplicate files.
+      Such files are found by comparing file sizes and MD5 signatures,
+      followed by a byte-by-byte comparison.
+    '';
+    homepage = "https://github.com/adrianlopezroche/fdupes";
+    license = licenses.mit;
+    platforms = platforms.all;
+    maintainers = [ maintainers.maggesi ];
+  };
+}