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/web/flyctl/default.nix

@@ -0,0 +1,51 @@
+{ buildGoModule, fetchFromGitHub, lib, testers, flyctl }:
+
+buildGoModule rec {
+  pname = "flyctl";
+  version = "0.0.330";
+
+  src = fetchFromGitHub {
+    owner = "superfly";
+    repo = "flyctl";
+    rev = "v${version}";
+    sha256 = "sha256-lgyr2NgurOZPqJv8ZUD8ut7ELxMZqLZ+rXYTjZauv8Y=";
+  };
+
+  vendorSha256 = "sha256-T1E2VJiaGKhk/rDVKYEju3AyDPEUMGFNvj/KrMjLKEc=";
+
+  subPackages = [ "." ];
+
+  ldflags = [
+    "-s" "-w"
+    "-X github.com/superfly/flyctl/internal/buildinfo.commit=${src.rev}"
+    "-X github.com/superfly/flyctl/internal/buildinfo.buildDate=1970-01-01T00:00:00Z"
+    "-X github.com/superfly/flyctl/internal/buildinfo.environment=production"
+    "-X github.com/superfly/flyctl/internal/buildinfo.version=${version}"
+  ];
+
+  preBuild = ''
+    go generate ./...
+  '';
+
+  preCheck = ''
+    HOME=$(mktemp -d)
+  '';
+
+  postCheck = ''
+    go test ./... -ldflags="-X 'github.com/superfly/flyctl/internal/buildinfo.buildDate=1970-01-01T00:00:00Z'"
+  '';
+
+  passthru.tests.version = testers.testVersion {
+    package = flyctl;
+    command = "HOME=$(mktemp -d) flyctl version";
+    version = "v${flyctl.version}";
+  };
+
+  meta = with lib; {
+    description = "Command line tools for fly.io services";
+    downloadPage = "https://github.com/superfly/flyctl";
+    homepage = "https://fly.io/";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ aaronjanse jsierles techknowlogick ];
+  };
+}