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/ent/default.nix

@@ -0,0 +1,41 @@
+{ lib, buildGoModule, fetchFromGitHub, installShellFiles }:
+
+buildGoModule rec {
+  pname = "ent-go";
+  version = "0.10.1";
+
+  src = fetchFromGitHub {
+    owner = "ent";
+    repo = "ent";
+    rev = "v${version}";
+    sha256 = "sha256-MvfbQKGVYWbZkqc3X3BqsB+z2KMkr0gMOquL02qHwUY=";
+  };
+
+  vendorSha256 = "sha256-BF2eD/jOtY1XhZ0hB7f3/frKQYwS9PbuGxum5SSnjzA=";
+
+  subPackages = [ "cmd/ent" ];
+
+  ldflags = [
+    "-s"
+    "-w"
+  ];
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  postInstall = ''
+    installShellCompletion --cmd ent \
+      --bash <($out/bin/ent completion bash) \
+      --fish <($out/bin/ent completion fish) \
+      --zsh <($out/bin/ent completion zsh)
+  '';
+
+  meta = with lib; {
+    description = "An entity framework for Go";
+    homepage = "https://entgo.io/";
+    downloadPage = "https://github.com/ent/ent";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ superherointj ];
+    mainProgram = "ent";
+  };
+}
+