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/esphome/dashboard.nix

@@ -0,0 +1,28 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "esphome-dashboard";
+  version = "20220508.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-nBVVNe6Qwo72ws6G8WAO99f2ftbxoixOB0eiLuILyeg=";
+  };
+
+  # no tests
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "esphome_dashboard"
+  ];
+
+  meta = with lib; {
+    description = "ESPHome dashboard";
+    homepage = "https://esphome.io/";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ hexa ];
+  };
+}