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/misc/tfk8s/tests/sample1/default.nix

@@ -0,0 +1,11 @@
+{ runCommandCC, tfk8s }:
+
+runCommandCC "tfk8s-test-sample1" {
+    buildInputs = [
+      tfk8s
+    ];
+    meta.timeout = 60;
+  }
+  ''
+    cmp <(${tfk8s}/bin/tfk8s -f ${./input.yaml}) ${./output.tf} > $out
+  ''

pkgs/tools/misc/tfk8s/tests/sample1/input.yaml

@@ -0,0 +1,7 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: test
+data:
+  TEST: test

pkgs/tools/misc/tfk8s/tests/sample1/output.tf

@@ -0,0 +1,12 @@
+resource "kubernetes_manifest" "configmap_test" {
+  manifest = {
+    "apiVersion" = "v1"
+    "data" = {
+      "TEST" = "test"
+    }
+    "kind" = "ConfigMap"
+    "metadata" = {
+      "name" = "test"
+    }
+  }
+}