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/development/tools/metal-cli/default.nix

@@ -0,0 +1,35 @@
+{ lib, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "metal-cli";
+  version = "0.7.4";
+
+  src = fetchFromGitHub {
+    owner = "equinix";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-muhHBUb5Ttj4n6fJzIJMqics5rKupeSBZAd4JxZUe64=";
+  };
+
+  vendorSha256 = "sha256-F8d5i9jvjY11Pv6w0ZXI3jr0Wix++B/w9oRTuJGpQfE=";
+
+  ldflags = [
+    "-s" "-w"
+    "-X github.com/equinix/metal-cli/cmd.Version=${version}"
+  ];
+
+  doCheck = false;
+
+  doInstallCheck = true;
+  installCheckPhase = ''
+      $out/bin/metal --version | grep ${version}
+  '';
+
+  meta = with lib; {
+    description = "Official Equinix Metal CLI";
+    homepage = "https://github.com/equinix/metal-cli/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ Br1ght0ne nshalman ];
+    mainProgram = "metal";
+  };
+}