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/system/bottom/default.nix

@@ -0,0 +1,52 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, rustPlatform
+, DiskArbitration
+, Foundation
+, IOKit
+, installShellFiles
+, libiconv
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "bottom";
+  version = "0.6.8";
+
+  src = fetchFromGitHub {
+    owner = "ClementTsang";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-zmiYVLaXKHH+MObO75wOiGkDetKy4bVLe7IAqiO2ER8=";
+  };
+
+  prePatch = ''
+    rm .cargo/config.toml
+  '';
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [
+    DiskArbitration
+    Foundation
+    IOKit
+    libiconv
+  ];
+
+  cargoSha256 = "sha256-GMG6YBm/jA5D7wxC2gczMn/6Lkqiq/toSPNf86kgOys=";
+
+  doCheck = false;
+
+  postInstall = ''
+    installShellCompletion $releaseDir/build/bottom-*/out/btm.{bash,fish} --zsh $releaseDir/build/bottom-*/out/_btm
+  '';
+
+  meta = with lib; {
+    description = "A cross-platform graphical process/system monitor with a customizable interface";
+    homepage = "https://github.com/ClementTsang/bottom";
+    license = licenses.mit;
+    maintainers = with maintainers; [ berbiche ];
+    platforms = platforms.unix;
+    mainProgram = "btm";
+  };
+}