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/fcp/default.nix

@@ -0,0 +1,33 @@
+{ expect, fetchFromGitHub, lib, rustPlatform, stdenv }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "fcp";
+  version = "0.2.1";
+
+  src = fetchFromGitHub {
+    owner = "svetlitski";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0f242n8w88rikg1srimdifadhggrb2r1z0g65id60ahb4bjm8a0x";
+  };
+
+  cargoSha256 = "0gw7gjfwc4r03rg6z65ml0y37sh4yf716isqs0mb4jqkp7rwfbc9";
+
+  nativeBuildInputs = [ expect ];
+
+  # character_device fails with "File name too long" on darwin
+  doCheck = !stdenv.isDarwin;
+
+  postPatch = ''
+    patchShebangs tests/*.exp
+  '';
+
+  meta = with lib; {
+    description = "A significantly faster alternative to the classic Unix cp(1) command";
+    homepage = "https://github.com/svetlitski/fcp";
+    changelog = "https://github.com/svetlitski/fcp/releases/tag/v${version}";
+    license = licenses.bsd3;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ figsoda ];
+  };
+}