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/security/ssh-to-age/default.nix

@@ -0,0 +1,31 @@
+{ lib, fetchFromGitHub, buildGoModule }:
+
+buildGoModule rec {
+  pname = "ssh-to-age";
+  version = "1.0.1";
+
+  src = fetchFromGitHub {
+    owner = "Mic92";
+    repo = "ssh-to-age";
+    rev = version;
+    sha256 = "sha256-ccwCHu6RlWqMnt5nBy54bVEzfE9/3PEL4C5LnYTtnwU=";
+  };
+
+  vendorSha256 = "sha256-jiFPcdWnAk54RJv4mHB3A+5tqKzqitfsiRXYZLa3Gu0=";
+
+  checkPhase = ''
+    runHook preCheck
+    go test ./...
+    runHook postCheck
+  '';
+
+  doCheck = true;
+
+  meta = with lib; {
+    description = "Convert ssh private keys in ed25519 format to age keys";
+    homepage = "https://github.com/Mic92/ssh-to-age";
+    license = licenses.mit;
+    maintainers = with maintainers; [ mic92 ];
+    platforms = platforms.unix;
+  };
+}